Always Comes with U.S. Mint certificate of authenticity.
2013 Proof Sets 14 coin Including 5 Pc America the Beautiful Quarter set + 4 President Dollars- 10 sets.
2012 Proof set Mintage 794,002
2013 Proof set Mintage 802,460
only 8,000 more made Than 2012, while price is $100 v/s $36.50, it is slipper set according to me.