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Lot No. 1996

Auction No. 26
Category Great Britain
    Commonwealth & Foreign
Est. $70
Status Auction Pending

 

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1841/57 1d red brown imperfs x 7 used showing normal blued paper & varying degrees of the "ivory head" on reverse. Prussiate of potash was added to the ink as a security measure & diffused through the paper when damped, showing the outline where the ink was at its darkest/deepest. (7)