2007-T3x, 2007 U.S. Christmas Seals, Test Design Sheet, R08-CSCS-4-09, reverse of sheet

2007 U.S. Test Christmas Seals

2007-T3x, 2007 U.S. Christmas Seals, Test Design Sheet, R08-CSCS-4-09
2007 U.S. Test Christmas Seals
2007 U.S. Test Christmas Seals