1c Gray Blue, 3c Blue Green, Double Paper, Patent Punches (206-207 var). Single 1c, three singles and two blocks of four of the 3c, one block of four with four large holes patent punch, the others all with eight punches in a circle, original gum, some faults including one of the blocks reperfed (eight holes), overall Fine and interesting group, the Douglas Patent was designed to prevent the re-use of stamps through printing on two thin layers of paper, which would break apart when removed from a cover -- it is reported that some were sold at the Washington D.C. post office

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