Lot
2991 
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.
Realized: $900