Bidspirit auction | Worldwide Air Post Stamps and
Worldwide Air Post Stamps and Postal History - Soviet Union - 1935, Chelyuskin Rescue, 1k-50k, complete set of ten, nice and flawless unit, full OG, NH, VF, C.v. $2,058, Scott #C58-67
Worldwide Air Post Stamps and Postal History - Soviet Union - 1935, Chelyuskin Rescue, 1k-50k, complete set of ten, nice and flawless unit, full OG, NH, VF, C.v. $2,058, Scott #C58-67