Astoner told me that he was getting an invalid item 0 error when he tried to click on silver or gold pieces.

https://gyazo.com/b8a67ee0659d1d56607f07f33c654d61
https://gyazo.com/15f34daeab8974fbb05a15b1b51c795d

I confirmed this myself when I had time. (my mouse is kind of hard to see though it is black for some reason)
https://gyazo.com/66a865971e2407da9aaf231b06ca6009

Yes I can see that would be a little bit inconvenient.

Ok this has been fixed.

Code to trap for gold coins server crashing even got a bit over enthusiastic and has one line out of sequence.