Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Italy - Occupation of Montenegro - 1942, red surcharge ''Governatorato del Montenegro. Valore in Lire'' on Yugoslavian air post stamp of 5d lilac, broken ''G'' and ''t'' almost omitted in ''Governatorato'' (position 18 of 20-stamp setting), full OG, NH, fine and rare, K. Ceremuga certificate, only 25 such errors possible, Sassone #PA22e, C.v. €2,000