An extremely rare half-dollar coin from 1838, now valued at as much as $500,000, is set for auction this week. The 1838-O Capped Bust half dollar is one of only nine that are known to exist, according ...

An extremely rare 1879 $4 gold coin could sell for $200,000 when it is auctioned next month. The 400 cent piece, known as the $4 Gold Stella, has a fascinating history, according to auction house ...

Where James A. Stack Sr. acquired it is a mystery that may never be solved - but for more than 70 years, one of the rarest coins in American history sat quietly in his family's collection. Stack, a ...

At the New York firm his father and uncle started in 1933, he was said to have personally conducted more auction sales than anyone else in the industry. By Sam Roberts Harvey G. Stack, the patriarch ...

Collecting coins can be more than just a hobby; it can be a rewarding venture if you know what to look for. The 1970s may seem like an ordinary decade for coinage, but several coins from this era have ...

Japanese artist Thumb Tani may have negotiated some deal with how gravity works on Earth for his coin sculptures. Or maybe he is somehow channeling Magneto’s superpowers. No way could be just ...