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#381 - 1911 10ยข Single Line USPS Watermark

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Basic Info

10¢ - Yellow

Printing Method: FLAT PLATE
Subject: George Washington
Number issued:
22,000,000
Perforations: P12
Watermark:
Single Line USPS (see below)
Scott #:
381
Issued:
January 24th, 1911

Value

Used
$2 - $3
No postmark with gum (MH)
$30 - $55
Full perfect gum, no postmark
no trace of stamp hinge mark (MNH)

$70 - $150

Notable Sales

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A plate block of six which in mint never hinged condition is exceedingly rare.

Top plate block sold at Kellerher's July 2021 for $5,400 (MNH)

Explore Daniel Kelleher Auctions

Plate #'s

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#381 was issued with the following plate #'s

Imprint and number
4940 -41, 43-44

Imprint, star and plate number
5200-13, 20, 43

A New Watermark

The purpose of this change was to strengthen the paper and to give it a more uniform thickness. The old double line watermark covered too much space and made the lettered area quite a bit thinner than the rest of the paper, which caused variation in the shrinkage of the paper. The new watermark was also smaller, occurring 400 letters to a full sheet instead of 360.

Single Line USPS Watermark

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The design inspiration

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Bust of George Washington
by Jean-Antoine Houdon
1785
The source of the design

Earliest Known Use

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The earliest known date of use for #381, January 21st, 1911

Essay's and Proofs

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Details

Essay created when it was thought that the registered rate was going to be 12¢
338 E1a

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338 E1a

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Essay created when it was thought that the registered rate was going to be 12¢
338 E1d

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338 E1d

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Die proof on India mounted on card
338-P1

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338-P1

1910-11 Single Line USPS Watermark Issues

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