MLO - 1933 Jan. 11 Manchukuo Advertising cover - This is a nice example of an advertising cover for an oil company. This SOCONY Motor Oil cover entered the postal system on 11th January 1933 from Mukden, Manchukuo. These advertising covers are rare, and this is a particularly nice example. SOCONY is an acronym, it stands for Standard Oil Company of New York, later in 1933 it changed its name.4f was the correct letter rate at this time.
Winning Bid: $75.00
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