paradox\ngeometrical puzzle with a playing card that makes a full card face-down, but a piece is left over when assembled face-up
- the turnover tactic
- business card variation
- reference file\nmitsunobu matsuyama\npowerdox\nkarl fulves\ninflation bite\njon charles\nmitsunobu matsuyama\nfrom jim snapp\njim snapp
1979
the chronicles Mitsunobu Matsuyama
Paradox
geometrical puzzle with a playing card that makes a full card face-down, but a piece is left over when assembled face-up
- The Turnover Tactic
- Business Card Variation
- Reference File
i-o-u\ncard to wallet presentation, iou on back of cards, torn card transforms into bill\ngordon bruce\ni.o.u.2.\njon charles\ngordon bruce
1980
pabular Gordon Bruce
I-O-U
card to wallet presentation, IOU on back of cards, torn card transforms into bill