Washington Head: Denomination in Numerals: 15¢: Perf 12

Scott 340 - 15¢ Washington perf 12 D/L Wmk 15¢ Washington HeadPerf 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 340
double-line (blue paper) 366
single-line 382

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