Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World. Part 3

Imperial Russia - Postal Stationery items

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Start price: $150

Buyer's premium:

1855, 4th issue stationery envelope for Imperial Post, 20k light blue, Eagle with wide tail variety, printed on thin paper, enlarged size 144x115mm compare to the 1st issue, watermark with the Scepter at left (type I), unused, minor soiling at right, mostly VF, Ilyushin-Forafontov #9a, Est. $250-$300