Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Albania - 1931, Tirana - Rome Flight, double black overprint on 5q green and inverted overprint on 3fr purple, large part of OG, VF, each one with Kessler guarantee, 3fr in addition with Sanabria hs, C.v. $415,Scott #C36a, C42a