I'm curious how someone would go about designing a coin and having them made. Are there places that online that offer this service?
Where do the people selling their physical coins get their made?
Silver Wallets uses:
http://www.nwtmint.com/ Really you just need to have a nice sketch to get started out with making coins.
Also a great guide that I have read is how to make your own coin by bigtimespaghetti.