What Do You Do With The Foreign Coins?

The initial question puzzled me a bit, until I realized it was coined by an American.

I'm from Europe and as a child I lived at a place where I could reach 5 different countries within a 2 hour drive. This was before the Euro. All these foreign coins and currencies were actually lots of fun to me and a main reason to get interested in money and coin collecting. I still take a set (as complete as possible) of circulation coins with me every time I visit a new country (or try to complete and expand my existing set when re-visiting) as a souvenir. This has resulted in about 100 different such sets by now (and growing).

My advise: keep collecting them for fun, or try to trade a few in case you get too many of them, and maybe try to visit the countries they belong to, to expand your collection? :)

I keep all my foreign coins and if/when I have duplicates, I do trades with some of my friends. I have quite a large collection of world coins from about 183 different countries.