the invisible cards and envelopes \n named invisible card put in invisible envelope is put in real envelope and becomes visible there, named number is also on envelope
- first version - forcing the suit
- second version - fifty-two possibilities \n gary kurtz \n the invisible cards and envelopes \n gary kurtz \n the invisible card and envelopes \n alan shaxon
1996
Gary Kurtz
The Invisible Cards and Envelopes
named invisible card put in invisible envelope is put in real envelope and becomes visible there, named number is also on envelope