A borrowed bottle, a signed coin, mind-blowing coin in bottle!
Solid through solid is a classic premise in magic, Even in modern times, a simple coin through water bottle is still mind-blowing.John Stessel has found an amazing solution to this plot.
Borrow a coin and a water bottle and have both items initialed. Visually the coin penetrates the bottle with no sleight of hand or switching of the coin.
At the end, everything can be examined and kept as a souvenirs.
Multiple handling included.