COIN IN EGG
'The Art of Magic and Sleight of Hand' by Nicholas Einhorn (Page 240)
Now that you've learned a dozen ways to vanish a coin, put them to good use with this simple but effective trick.
Borrow a coin, have it signed, vanish it and it reappears in any egg chosen from a carton of eggs that can even be provided by the spectator.
The method is so ridiculously easy you'll be too embarrassed to accept the applause...