Los 2949 USA 1913-17 Washington-Franklin Ausgabe

1917, 5¢ carmine color error, unwatermarked, imperf. (Scott 485), a true Post Office fresh right margin block of 30 with arrow, the error position 18, flawlessly printed with rich color and balanced margins all around, o.g., never hinged; small inclusion position 4 noted strictly for accuracy, Very Fine. A centerpiece for the finest of collections.
Scott $22,500 as block of nine.