11c Light Green, Perf 10 at Bottom (511a). Top plate no. 13467 block of six, bottom center is fully Perf 10, the bottom left and bottom right stamps have transitional Perf 10/11 gauge showing the change in pin alignment to the left and right of the stamp in the middle, bottom center and bottom right stamps Mint N.H., bright color, bottom left stamp trivial toned spot on one perf at right

FINE-VERY FINE AND EXTREMELY RARE PLATE BLOCK CONTAINING TWO MINT NEVER-HINGED AND ONE LIGHTLY-HINGED EXAMPLES OF THE 1917 11-CENT PERF 10 AT BOTTOM VARIETY. ONLY FIVE SUCH PLATE BLOCKS ARE KNOWN. AN OUTSTANDING EXHIBITION PIECE.

We record the following plate blocks containing Scott 511a:

1) plate no. 13470, Mint N.H., with two Perf 10 stamps in the bottom row, ex Zoellner

2) plate no. 13467, bottom row with one stamp fully perf 10 and two stamps transitional 10/11 gauge, the block offered here

3) plate no. 13467 with narrow selvage, three Perf 10 stamps in the bottom row, including a transitional 10/11 gauge, ex Curtis

4) plate no. 13469, bottom row with one stamp fully perf 10 and two stamps transitional 10/11 gauge, offered in our 2019 Rarities sale, ex "Sirron"

5) plate no. 13469, bottom row with one stamp transitional 10/11 gauge, offered in our 2018 Rarities sale.

From our 1970 and 1974 Rarities sales. With 1969 Friedl and 1974 P.F. certificates

Image Magnifier / Download

Power Search for Comparables