Washington Head:
Denomination in Numerals: 1¢: Perf 10
Washington Head:
Denomination in Numerals 1 CENT
Perf 10 x 10
Printing Method and Watermark Check
- You must first determine if the stamp was
printed using the flat plate or rotary press
method., no offset stamps were issued perf 10. If it is rotary
press it does not
need to be checked for watermark, it is unwatermarked and is Scott 543. However, if it is
flat plate, you must determine the watermark type.
Printing Method
Watermark
Size of Frame
Scott Number
Flat Plate
Single-line
18.5 x 22 mm
424
Booklet (FP)
Single-line
18.5 x 22 mm
424d
Flat Plate
none
18.5 x 22 mm
462
Booklet (FP)
none
18.5 x 22 mm
462a
Rotary "experimental"
none
at least 22.5 mm high (taller)
543
None of the above stamps are candidates for forgery, they are all
quite common.
