Image #1
UNITED STATES
Air Post stamps
Lot #
542 | ** 
| Scott # C92a, var
| 1978, Wright Brothers, 31c+31c multi, block of four vertical se-tenant pairs and extra pair of No.C92, six stamps in the middle with black instead of blue inscription (US Airmail 31c) at bottom, full OG, NH, VF and a spectacular item, Est. $500-$600 . |