1931, 2¢ Yorktown, dark lake & black color error, bottom margin plate number "20470" single, o.g., never hinged, rich true dark lake color, wide margins, Extremely Fine, a scarce position single; with 1999 P.S.E. certificate for block. Scott No. 703b  $750. $0 (Image)

1931, 2¢ Yorktown, dark lake & black color error, bottom margin plate block of 4 with plate numbers "20600" & "20462", o.g., lightly hinged, rich distinctive dark lake color, wide margins, fresh and Very Fine; signed M. Johl in selvage, with 1992 P.F. certificate. Scott No. 703b  $2,250. $0 (Image)