Lot 356
 
1915, $1 violet black (460), bottom margin imprint, "A" & plate no. block of six, fresh, solid and well centered, original gum, small hinge remnant top center stamp and top left lightly hinged, Very Fine.
Scott $13,500
AN EXCEEDINGLY RARE DOLLAR VALUE PLATE BLOCK—PROBABLY NO MORE THAN A DOZEN OR SO EXIST.
Expertization: 2007 PF Certificate.
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| Realized $8,500 |
