Fielding West has a version that uses a duplicate yet when the magician removes the object from the fruit and asks the spectator, "Do you see your signature?" the spectator says yes. Think of it as a play on words and you'll probably figure it out.

With respect to technique for loading an actual, signed bill, I've found my final answer.

As usual, Larry has the winning post!!!

That's a great name for a trick Larry. Do you mind if I use that?

Scott

If you didn't, I'd be shattered.