by dat8962 » Jul 4th, '06, 18:50
Martin Sanderson has a signed card into a sealed envelope routine on his Corporate Close-up DVD if you're interested.
The teaching is very good and it's a relatively easy set up, although I don't use it myself.
Member of the Magic Circle & The 2009 British Isles Close-Up Magician of the Year
It's not really an optical illusion - it just looks like one!