Suddenly found 10,000 gold in clan treasury, how do I find out who earned it?

BDNeon, on Aug 18 2015 - 17:19, said: So I decide to peruse the clan page and I have a mini heart attack when I find out we're sitting on 10k gold in the treasury that seems to have popped into existence while I wasn't looking, but I can't seem to find out where it came from, searching through the history of Income doesn't give me anything on it. I can't in good conscience do anything with it until I learn how it was obtained. So how would I go about it?