Image #1
UNITED STATES
Modern Errors
Lot # 259 | ** | Scott # 1501b
| 1973, Progress in Electronics, 8c multicolored, left sheet margin single with tan (background) and lilac colors omitted, full OG, NH, VF, Errors Cat. stated that only 50 stamps exist, C.v. $600, Est. $250-$300 . |