6¢ Washington Head
Flat Plate
Perf 12

Watermark Check - You will need to check the watermark on this stamp, however all the perf 12 stamps were printed by the flat plate method and there is no need to check printing method unless the stamp is suspect.


Watermark Scott Number
double-line 336
double-line (blue paper) 362
single-line 379


Washington Franklin Identifier - Home Page