7c Black, Vertical Pair, Imperforate Between (639a). Mint N.H., with selvage at left, small fingerprint on gum of bottom stamp, Very Fine, scarce, according to Gary Griffith, this variety was first reported in 1939, the postmaster in a small town near Cleveland was annoyed that several panes had some rows of perforations missing, he cut some apart by hand and then gave up, throwing them in a box which was later purchased by a stamp collector (rumored to be Karl Koslowski), it is believed that about 20 pairs and two blocks of four were purchased, it is also known with a Mobile Ala. precancel

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