12c Green, Plate Proof on India (117P3). Bottom imprint and plate no. 17 block of ten, brilliant color, single tiny pin prick indent near bottom but free of the usual thins and other flaws typically encountered with India paper

EXTREMELY FINE. A CHOICE AND RARE PLATE BLOCK OF THE 12-CENT 1869 PICTORIAL ON INDIA PAPER.

A Power Search review found only two others offered in our sales (outside of a set) since 2006 -- both from the Dr. Heimburger collection in 2013. His bottom plate block, with significant faults, realized $3,000 hammer

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