#529 - 1918 3ยข no watermark, offset - p11 - TYPE III
See below for details
Basic Info
3¢ Violet
TYPE III (see below)
Subject: George Washington
Printing Method: Offset
Perforations: 11
Watermark: unwatermarked
Scott #: 529
Issued: March 23rd, 1918
Value
Used
70¢ - $1
No postmark with gum (MH)
$1 - $2
Full perfect gum, no postmark
no trace of stamp hinge mark (MNH)
$5 - $7
Plate Numbers
#529 was issued with the following plate #'s
Number only
8370-76, 79-85
8411-18, 20-21
8554-65, 67-69, 72-74, 78-93, 96-99
8600-02, 04-18, 21-22, 25-37, 39-40, 43-59 62-72, 74
8700–17
Two instances of where the plate number was adjusted by hand to show the correct plate number. These are are examples.
Submitted by Steve Olsen
#529a
Double Impression
#529a
Value (MH) $20-$40
#529b
Printed on both sides
#529b
Value $750
A change to Offset
The poor quality of the ink that could be obtained at the time wore out the plates quickly. By switching to offset printing the plates lasted longer. The use of offset press would stay in place until the quality of available ink improved, which was expected to happen once world trade had gone back to normality after the disruption of WWI.
This was the first offset stamp the Bureau put into production.
A full pane
A full pane of 100 of #529, there are 4 panes to a sheet of 400.
Earliest documented use
Earliest known date of use is March 23rd, 1918 (shown above)
Courtesy Alex Belfi
The 1918-20 Definitives
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