Believe it or not, I just googled it and they have their own money in the wizard world of JK Rowling. Galleon, Sickle and Knut are the coins. Go figure. If I was Harry, I'd keep my offer at greenbacks.
Women cannot resist the charm spell that is money. A 5 can turn into a 9 real quick in their eyes if they know how much $$ they have. Shallow ass tricks