2013-T1x, 2013 U.S. Christmas Seals, Test Design Sheet, R14-CSCS-4-06, back of sheet

2013 U.S. Christmas Seals

2013-T1x, 2013 U.S. Christmas Seals, Test Design Sheet, R14-CSCS-4-06
2013 U.S. Christmas Seals
2013 U.S. Christmas Seals