San Francisco minted just 24 of these dimes in 1894 and only 9 are known to survive; 132 years later, one 10-cent coin has sold at auction for $1.25 million

• The 1894-S Barber dime is one of the most famous rarities in American numismatics.
• According to auction house Stack's Bowers Galleries, which handled the recent sale, only 24 examples were struck in 1894 and just nine are known to survive today.