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6¢ Washington Head Flat Plate Perf 11 |
| Washington Head: Denomination in Numerals: 6¢ Perf 11 |
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6¢ Washington Head Flat Plate Perf 11 |
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Watermark Check - There is no need to check this stamp for type, watermark
or printing method, the 6¢ Washington perf 11 is unwatermarked and printed by the flat plate method. |
| Watermark | Scott Number |
| none | 506 |
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