2012-T1x, 2012 U.S. Christmas Seals, Test Design Sheet, R13-CSCS-4-14, back of sheet

2012 U.S. Test Christmas Seals

2012-T1x, 2012 U.S. Christmas Seals, Test Design Sheet, R13-CSCS-4-14
2012 U.S. Test Christmas Seals
2012 U.S. Test Christmas Seals