United States United States - Test stamps United States - Test stamps
Sale No: 77
Lot No:1056
Symbol:**
Cat No:TD107c, TD109b
1962-80, ''For Testing Purposes Only'', black on gray paper, imperforated horizontal pair of coil stamps; and green on white paper, top sheet margin vertical strip of three, imperforated horizontally, full OG, NH, VF, C.v. $450++ (Image)