In contrast, some collectors attempt to obtain a sample from every country that has issued a coin. Year collections: Rather than being satisfied with a single. And many of the 195 nations that exist today are not well known. But that hasn't stopped them from issuing some pretty unusual coins! As mints around the world​. The largest collection of coin images, descriptions, and type values in the World. Choose a country from the menu box the Collecting World Coins catalog.