Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Colombia - 1920, Airplane over Coastline, 10c green, 10c brownish red and 10c vermilion, three vertical se-tenant pairs, the last one with ironed fold on lower stamp, no gum as issued, NH, mostly VF, Champion and Kessler guarantee hs, C.v. $510, Est. $250-$300, Scott #C11A-B, C11C-D, m