Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World, Part 2

Italy - Occupation of Montenegro - Air Post stamps

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Start price: $500

Buyer's premium:

1941, black overprint (type d) ”Montenegro. Crna Gora.17-1V-41-X1X” on Yugoslavian air post stamp of 5d lilac, top sheet margin single with perforation 12¾x12½, full OG, NH, VF and rare, Dr. G.Colla certificate, Sassone #A5/I, C.v. €5,000, Scott #2NC5 var