350a & 351a, first day of use of the imperforates LB

1p & 2p “Lambert” Imperforate (350a & 351a), horizontal pairs, used with pairs of the 2c (two), 4c, 10c & 20c, on a type I Lambert Sales Co. Primary label, light target cancels overstruck with New York oval receiving handstamps, July 22, 1925, mailed on the first day of use of the imperforates, June 22, […]

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