Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - China - 1946, C.N.C. double black surcharge $100 on Hong Kong printing of $2 light brown, left sheet margin single on paper without watermark, unused, no gum, VF, Chan #A51a, SG #823a, C.v. £600, Scott #C51 var