A selection of gold and silver coins honoring The Beatles' frontman Paul McCartney has just sold for a whopping sum of ...

A one-of-a-kind set of gold and silver coins honoring Paul McCartney—personally approved by the music legend himself—fetched ...

However, you might be able to make a profit from them based on their silver content. As the USGB noted, you can buy these coins cheaply and in bulk to build a large collection with relatively pure ...