#423D - 1914 - Perf. 10 x 12 - Single line USPS wmk
See below for details
Basic Info
1¢ - Green
Printing Method: FLAT PLATE
Subject: George Washington
Number issued: 55 stamps recorded
Perforations: 10 x 12
Watermark: Single line USPS wmk
Scott #:423D
Issued: December (?), 1914
Value
Used
$3,000 - $11,000
No postmark with gum (MH)
None recorded
Full perfect gum, no postmark
no trace of stamp hinge mark (MNH)
None recorded
On cover
Five post cards with #423D survive, all postmarked December 1914
About the stamp
The perf 10 wheels were introduced into the Bureau in December 1913. At some time, presumably 1914 (probably in December), these compound perf stamps were fed horizontally through the 10 gauge perforator and then, probably in error, fed vertically through the 12 gauge perforator.
At the time of writing there are 55 used stamps recorded. 41 of these have the Dayton, Ohio precancel, two have a Buffalo, New York precancel and the rest have a wavy line cancel
There are no recorded examples of unused stamps.
The Watermark
The watermark consists of single lined USPS letters. A stamp may show only part of a letter or letters
The 1912-14 Regular Issues Part II
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