65c-$2.60 Graf Zeppelin (C13-C15).
Two covers, first legal sized with Nos. C7-C14 tied by New York Apr. 30, 1930 duplex cancels to Washington D.C., second with No. C15 on 5c Blue entire (UC2) self-addressed to New York City, usual handstamped cachets, entire with small toned spot at center, legal sized cover with small diagonal crease thru bottom right corner perf of No. C13, otherwise Very Fine
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