2006-T4x, 2006 U.S. Christmas Seals Test Designs Sheet, R07-CSCS-4-26 - reverse of sheet

2006 U.S. Christmas Seal Sheet

2006-T4x, 2006 U.S. Christmas Seals Test Designs Sheet, R07-CSCS-4-26
2006 U.S. Christmas Seal Sheet
2006 U.S. Christmas Seal Sheet