Mint sets are a great way to acquire perfect BU specimens of annual circulation coins issued by operating mints. In addition to the regular cast of characters, the mint sets we've selected each contain inaugural Philadelphia and Denver specimens of three different series. The big 28-coin 2007 set introduced the Presidential dollar series; the first issues of the America the Beautiful series was included in the 28-coin 2010 set; and in 2022, the 20-coin set contained the first year American Women quarters.