Prison Break - Here's a brand new coin-appearing effect from Smagic Productions. 
Your spectator signs a coin, and you place it in a card box with some other coins. With the magic words, their signed coin suddenly appears in a clear, zip bag. Not only that, but upon examination, your spectator discovers that the bag is sealed! 
Easy set up - Free hand - Clean ending - Highly visual. 
Prison Break will bring you awesome reactions. 
Check it out now.