Lot
2301 
Airmail, 1938, 6¢ Eagle, ultramarine & carmine color error, top margin plate block of 4 with two plate numbers and "Top", o.g., never hinged (pencil notation on gum), rich colors, Fine, a very scarce plate error plate block; with 1998 P.F. certificate. Scott No. C23c $1,500.
Realized: $500