His company, Portland Mint, sells old pennies in bulk — 40,000 pounds (18,100 kilograms) at a time — to investors angling to ...

Sir Paul McCartney gold and silver coins put up for auction - A 5kg gold coin was signed by Sir Paul during his Got Back tour ...

Not all change is minted equally. Collectors from around the world know that North America is teeming with modern and rare ...