This commemorative coin is the U.S. Mint's first concave coin. The reverse side (first picture) is convex like a like a baseball, the obverse side is concave, curved inward and looks like a baseball glove. Released in 2014 and minted in Denver "D" to commemorate the 75th anniversary of the National Baseball Hall of Fame. With a grade of MS70 (Mint State 70) means it is flawless and uncirculated. $125