Experience the Impossible Coin Trick

You invite a spectator to lend you a coin, which they sign on both sides to ensure it’s uniquely theirs. Next, you introduce a balloon and have them place their signed coin inside. After inflating and securely tying the balloon, you can even shake it to confirm the coin remains inside. Then comes the astonishing moment: you begin to extract the signed coin from within the balloon, visibly pulling it out. The spectator will be amazed to see the coin emerging without any apparent hole in the balloon. To top it off, you can burst the balloon and reveal that it has been magically repaired.

No duplicate coins involved!