Woo, I get to do the first thing. I'd like to say I picked my thing at random but of course I really went through the entire box of things sent by Simon P and went 'OOOOH, I WANT THAT' constantly. I did want a fair few things though but finally decided on this coin, in the hope that it is a 10 million yen coin, hoho. I'm not certain it's Japanese, it looks more Chinese really but lots of Simon's things are from Japan so I assume it is Japanese. It's very big, bigger than a 50p piece, a lovely gold, and blackened as if it had been rubbed with a crayon. I like the inexact wobbly outer edge best and the noise it makes when you shake the box.
Found by Marceline Smith, Glasgow