Image #1
Lot #
646 | ** 
| Scott # 2564 Pb
| 1961, Helicopter, black surcharge 6k on 60k blue, three side margin block of 20 (10x5), folded in the middle along vertical perforation, bottom right stamp (position 20) without "6" variety, full OG, NH, VF, Raritan Stamps guarantee, Scott #C99, var . |