2) Ask ppl on line if they want to sell

3) make good friends all over the world. and ask them to switch coins. US to their currency.

4) go to Currency exchange.

I think I must get Best answer vote.

Best luck!

Some banks may have foreign coins.

There are coin dealers and coin shows.

You can look for foreign coins through a good search engine.

Place the phrase “foreign coins” or “foreign currency” into the search box.

Airports that have international flights usually have kiosks where you can buy foreign currency.

People who travel to foreign nations frequently come back to the US with foreign coins. Ask if you know someone.

There are usually local coin dealers. Look up coins in the yellow pages.

Good luck in your quest.