Image #1
WORLDWIDE AIR POST STAMPS AND POSTAL HISTORY
United States
Lot #
19 | ** 
| Scott # C92d
| 1978, Wright Brothers, 31c+31c multicolored, transition strip of three vertical se-tenant pairs, left pair has all litho colors omitted, while right and middle ones have tiny traces of these colors, full OG, NH, VF and very rare, according to Scott Errors Cat. only 15 pairs exist, C.v. $1,500 doesn't reflect the rarity of this pair especially in transition multiple . |