History of Aviation, Rare Stamps and Postal History of the World, Part 3
Lot 1104:
1924, blue or red overprint ”Colonias” (Specimens for Portuguese Colonies Post Offices with Headquarter located in Mozambique) over semi-postal stamps of 2c+2c-5L+3L and 25c+25c, semi-postal air post stamps of 20c+20c and 1L+1L, the total of 12 values, occasional facial abrasion, some with full OG, most without gum, generally fresh and F/VF, Prof. Klein certificate, Est. $200-$250, Sc. #B1/15, CB1, CB4
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