86 entries in Cards / Principles / Duplicates / Signed Duplicate
Creators Title Comments & References Year Source Page AA Categories
Friedrich "Fritz" Hügli Eine ermöglichte Unmöglichkeit. No. 10, signed card is found and then travels into sealed nest of envelopes
1926 37
Oswald Rae Creating a Duplicate Signature
1930 5
William Lindsay Gresham Nightmare Allez torn and restored tarot card, with menetekel deck and a way to copy the signature
Nov. 1946
The Phoenix (Issue 115)
461
Dr. Stanley Jaks, Peter Warlock Prediction one of three face-down cards is selected, initials written on back and put back in the deck, card turns over and is predicted
1955
Hokus Pokus (Vol. 16 No. 5)
348
Karl Fulves Initial Encounter signed card is really burned in window envelope, reproduced from back of hall, signatures of people are saved
Related to Feb. 1971 399
John F. Mendoza The Ultimate Torn and Restored Card signed on front and back, torn into eighth and restored, last corner restored as well
  • Restoration of the Torn Corner
1978 86
Stephen Tucker Pegasus card signed on the back travels under book, repeated
1978 1
Karl Fulves Card In The Case card changes placed with card in case, all signed, spectator signs duplicate on back without knowing, credit information
1979 5
Al Mann Homer signed card travels twice into wallet hold by spectator
1981 17
Paul Harris Guts signed card to wallet with interesting method and challenge conditions
Also published here 1981 157
Philip T. Goldstein Strung Out card is selected and signed from a deck with hole drilled through it, deck threaded with a cord and selection removed under silk, duplicate
1982 3
Richard Sanders Signature Duplication apparently wiping signature away, here with coins
1986 68
Richard Osterlind The Miracle Flying Signed Cards three signed cards to business card case, envelope in wallet, folded in pen
1986/99 32
Philip T. Goldstein Strung-Out card is selected and signed from a deck with hole drilled through it, deck threaded with a cord and selection removed under silk, duplicate
1988 8
Ken Simmons Simmons's Handling of "Sprite Sleight" (or Glorpy Rides Again!) deck underneath transparent handkerchief, card moves and turns over on top of deck, two handlings, with "Signature Addition" (bluff)
Inspired by 1990 30
Philip T. Goldstein Strung-Out card is selected and signed from a deck with hole drilled through it, deck threaded with a cord and selection removed under silk, duplicate
1990 3
Philip T. Goldstein Strung-Out card is selected and signed from a deck with hole drilled through it, deck threaded with a cord and selection removed under silk, duplicate
1991 11
John Scarne Remote Control card travels to a spectator at back of room, bogus signature
  • Footnote to History (giving real method for "Western Union Trick")
Related to 1994
Rigmarole (Issue 9)
106
Ted Lesley Sign Onboard signed card travels to envelope, Teleport Envelope
Related to 1994 194
David Acer Writing Twice getting duplicate of initialed card
1995 100
Guy Hollingworth Universal Card Scam
1996 13
Paul Harris Backlash card signed on both sides, spelled to, put in pocket, travels back, one signature changes into performer's name
Variations 1996 29
Paul Harris Guts signed card to wallet with interesting method and challenge conditions
Also published here 1996
The Art of Astonishment — Book 3 (Issue Close-up Fantasies Finale)
91
Philip T. Goldstein Strung-Out card is selected and signed from a deck with hole drilled through it, deck threaded with a cord and selection removed under silk, duplicate
1996 10
Philip T. Goldstein Strung-Out card is selected and signed from a deck with hole drilled through it, deck threaded with a cord and selection removed under silk, duplicate, in english and french
1998 8
Guy Hollingworth Universal Card Scam
Related to 1999 219
Philip T. Goldstein Strung-Out card is selected and signed from a deck with hole drilled through it, deck threaded with a cord and selection removed under silk, duplicate
1999 8
Philip T. Goldstein Strung-Out card is selected and signed from a deck with hole drilled through it, deck threaded with a cord and selection removed under silk, duplicate
1999 8
Guy Hollingworth Universal Card Scam
2000 1
Philip T. Goldstein Strung-Out card is selected and signed from a deck with hole drilled through it, deck threaded with a cord and selection removed under silk, duplicate
2000 8
Signed Pseudo Duplicate name of spectator written on card by performer
2000 63
Mark Mason, Andrew Normansell It's In My Pocket signed card to pocket routine, it changes back color at the end
2000 14
Andrew Normansell Signed Duplicate Strategy first having the card signed with non-permanent marker by mistake
2000 14
Helge Thun Effekt/Prinzip on different signed duplicates methods
2000 3
Helge Thun Das Geheimnis in zwei (Ab)Sätzen summary of Duplikat principle
2000 4
Helge Thun Die Unterschriften principle of obtaining duplicate signed card when having a four-of-a-kind signed
Also published here 2000 5
Helge Thun AngeEckt signed card is torn and pieces vanish minus one corner, restored card found reversed in deck, repeat with full restoration
Also published here 2000 13
Gabi Pareras Ases Clandestinos (Una "rota y recompuesta" inesperada) four Aces signed on the backs penetrate post card / piece of newspaper, "quinta firma", duplicate, last card is torn in pieces, vanishes and then found restored under post card
  • Firmando los dorsos
  • El reparto
  • Primera penetración
  • Segunda penetración
  • Tercera penetración
  • Notas
    • Las penetraciones
    • La carta rota y recompuesta
2002ca. 50
Roberto Giobbi Obtaining a Duplicate of a Spectator's Signature ruse to get duplicate signature, first attempt apparently smudged
Related toAlso published here 2003 1134
Philip T. Goldstein Strung-Out card is selected and signed from a deck with hole drilled through it, deck threaded with a cord and selection removed under silk, duplicate
2003 9
Roberto Giobbi Obtaining a Duplicate of a Spectator's Signature ruse to get duplicate signature, first attempt apparently smudged
Also published here May 2003
Genii (Vol. 66 No. 5)
18
Duplicate signature initials pre-signed on envelope
2007 229
Dani DaOrtiz The Duplicates
  • Duplicates, what for?
  • Real and False Signatures
  • False Signatures
2008 8
Dani DaOrtiz Getting false signatures (some ideas)
  • A. False prepared signatures
  • B. False prepared signatures on the deck
  • C. The marker does not mark...
  • D. Better you
2008 9
Dani DaOrtiz Real Signatures?
  • A. Spectator signes twice
  • B. Memorize spectators signature
  • C. Copying literally
Related to 2008 10
Dani DaOrtiz Double Plane Signature (dual reality)
Related to 2008 11
Brett Bishop A Tool In The Toolbox ruse to get duplicate signature, first attempt apparently smudged
Related to 2008 7
Arie Vilner The Smiley Solution signed
2009 94
Michael Feldman Phorgery two-card transposition and signature duplication principle
Also published here 2010 46
David Acer Creating the Duplicate getting duplicate of initialed card by writing twice
2011 108
Patrick Page, Roberto Giobbi Robert Harbin Card in Balloon with additional thoughts by Roberto Giobbi
May 2011
Genii (Vol. 74 No. 5)
15
Max Maven Strung-Out card is selected and signed from a deck with hole drilled through it, deck threaded with a cord and selection removed under silk, duplicate
2012 5
Gabi Pareras Las Damas Voladoras with signed cards, last signed queen transposes with card signed by performer
  • Ia Fase - El monton de las cuatro damas
  • 2a Fase - Los cuatro montones indiferentes
  • 3a Fase - El reparto de las damas
  • 4a Fase - La reunió de las cuatro damas
  • 5a Fase - La elección y posterior transposición de la dama de corazones y el tres de picas
2014 28
Guy Hollingworth Universal Card Scam
2015 42
Benjamin Earl Memento card signed on both sides, card jumps around, one signature changes into performer's name
Inspired by 2016 12
Vanni Bossi We're Being Followed performed in car during driving, signed card in deck, deck sprung out of window, later card shown at back of car stuck to rear window
Related to 2016 187
Roberto Giobbi The Devil's Messenger three signed selections shuffled back, messenger brings envelope from back with those selections, credit information, Universal Card Scam
Inspired byRelated to 2016 187
Adrian Vega Four Fly Restored selection is signed on both sides and torn in quarters, pieces travel from hand to hand and card restores piece by piece
2017 19
Michael Feldman Merely Impossible spectator hides card anywhere, apparent misunderstanding, another card turns out to be signed selection under impossible circumstances
Related to 2017 23
Johnny Thompson Parrish the Thought spectator stabs performer's signed card, performer spectator's, half the deck signed by performer
Inspired by
  • Robert Parrish trick
Related to
  • "The Incredible Signature" (Barry Stevenson)
  • "Double Pointed Miracle" (Dick Zimmerman, Genii, Vol. 47 No. 11)
2018 141
Dani DaOrtiz Card in Bottle - Semi-Automatic Handling and Practice card was signed earlier
Related to 2018 32
Jason Ladanye Dead Center multiple phase center deal demonstration with an Ace, then a signed named card, has ambitious card feeling to it, matching values produced as finale
2018 169
Scott Robinson H. G.'s Pocket two signed cards are openly placed into different pockets and openly removed, then they magically travel back to pockets, time-travel theme
2018 187
Rhys "Morgan" Jones, Robert "West" Tay A Moment of Impossibility card signed and put in case with rest of deck, signature visible through hole in case, deck vanishes and reappears in jar, impossible object
2020 55
Peter Gröning High Concept
  • Background
  • Concept
  • What about the missing backs?
  • Faces or backs
  • The signatures
  • The marker
  • The soother
  • Regarding routining
  • A word of caution
  • Finally
2020 3
Peter Gröning Resigned two cards signed on front and back by two spectators, the fuse into double-facer, performer left with two back-signed duplicates
Variations 2020 11
Peter Gröning Half Resigned two cards signed on front and back by performer and spectator, the fuse into double-facer, performer left with back-signed duplicate
2020 20
Peter Gröning Resigned in Color two cards from two decks signed on front and back by two spectators, the fuse into double-facer, performer left with two back-signed duplicates
2020 26
Peter Gröning Resigned by Remote Control two cards signed on front and back by two spectators, the fuse into double-facer, performer left with two back-signed duplicates, handling away from deck
2020 29
Peter Gröning First Thoughts chapter intro
2020 35
Peter Gröning Bit by Bit card signed on back, covered with envelope, face of card fades to blank in two stages, then vanishes, and reappears in envelope, apparition
2020 37
Peter Gröning Fade In odd-backed blank card is signed on back, it changes into previously selected card in stages, apparition
2020 44
Peter Gröning Face Off card signed on both sides and put in cased deck, blank odd-backed card signed on back, its face changes into selection in stages, then signature appears, cased card is now blank-faced, apparition
2020 53
Peter Gröning Gifted ring box is shaken from card case even though it is too larger, later signed card appears in it
2020 57
Peter Gröning Bizarre Assignment Bizarre Vanish (à la Biddle Trick) and Twist with card signed on both sides, color-changing back kicker
Inspired by 2020 64
Peter Gröning Spiked paper nailed to wall, card signed and vanished, it appears nailed to wall behind paper
  • An enhanced handling (both sides of card signed)
2020 74
Peter Gröning Bottled signed, brief
2020 79
Peter Gröning Once Torn, Twice Restored brief outline for routine in which signed card is restored except last quarter, then whole card
2020 80
Scott Robinson H.G.'s Pocket two cards placed in pocket and returned to deck, they travel back into pockets, time travel presentation, two pseudo-signed duplicates
Also published here 2020 26
Michael Feldman Phorgery two-card transposition and signature duplication principle
Also published here 2022 862
Jean-Pierre Vallarino Visual Lift one half of deck is out-jogged on other, signed selection is placed face up beneath bottom half and in-jogged, as selection is squared in it visually appears on top of bottom half, then halves are squared together and it appears on top
2022 237
Helge Thun Die Unterschriften principle of obtaining duplicate signed card when having a four-of-a-kind signed
Also published here 2023 9
Helge Thun AngeEckt signed card is torn and pieces vanish minus one corner, restored card found reversed in deck, repeat with full restoration
Inspired by
  • "Torn and Restored Card" (Mark Wilson's Complete Course in Magic, 1975)
Also published here
2023 18
Helge Thun Duplikat Travellers travelers in which deck travels to pocket, another card appears folded in matchbox and one in another deck that a spectator has been holding from the start
2023 64
Helge Thun Verschachtelt four signed Kings travel folded into matchbox one by one, then matchbox vanishes with a signed King and both reappear inside card case that spectator holds since the beginning
2023 86
Anson Chen Phoenix signed card is placed inside envelope and everything is burnt, card is found in sealed deck at correct position, Hollingworth signature principle
2023 182