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

Imperial Russia

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Start price: $100

Buyer's premium:

1864, 3k black and green, 5k black and lilac, two values with perforation 12½, 3k has violet 2.5mm stroke at bottom and tiny inclusion at right, unused, F/VF appearance, C.v. $2,100 for hinged stamps, Scott #6-7