Once a niche hobby dominated by small shops, the coin industry now boasts billion-dollar corporations, stock-listed companies ...

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

An expert has urged people to look out for a rare UK penny that could be worth more than £300. The coin in question must ...

A coin collecting expert has urged people to check their pennies for rare dates that could make them a small fortune – so here are the signs you should keep an eye out for ...

how to denominate amounts so small that the metal coin itself is actually worth more. In 2003, Thomas J. Sargent and another economist wrote “The Big Problem of Small Change,” billed as “the ...