#378 – 1911 5c Washington SL Wmrk Pf 12 blue

Condition
Price
Qty
- Mint Stamp(s)
Ships in 1 business day. i$42.50
$42.50
- Used Stamp(s)
Ships in 1 business day. i$1.10FREE with 240 points!
$1.10
- Unused Stamp (small flaws)
Ships in 1 business day. i$26.00
$26.00
- Used Stamp (small flaws)
Ships in 1 business day. i$0.85
$0.85
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Condition
Price
Qty
- MM63625 Horizontal Strip Mounts, Black, Split-back, 215 x 30 millimeters (8-7/16 x 1-3/16 inches)
Ships in 1 business day. i
$7.50
$7.50
- MM50350 Vertical Mounts, Black, Split-back, Pre-cut, 27 x 30 millimeters (1 x 1-3/16 inches)
Ships in 1 business day. i
$2.95
$2.95
- MM4200Mystic Clear Mount 27x30mm - 50 precut mounts
Ships in 1 business day. i
$1.95
$1.95
 
U.S. #378
Series of 1910-11 5¢ Washington

Issue Date: December 17, 1910
Quantity issued:
 300,000,000
Printed by: Bureau of Engraving and Printing
Method: Flat plate
Watermark: Single line
Perforation: 12
Color: Blue
 
In August of 1910, the Bureau of Engraving and Printing made the decision to change the USPS watermark. In addition to reducing the size of the letters, the style was changed from a double line to a single line. The purpose was to strengthen the paper and give it a more uniform thickness, since the old watermark had a tendency to weaken the structure of the paper.
 
Since money was in short supply due to the economic pressures of World War I, the watermark was discontinued in 1916 in an effort to cut back on production costs at the Bureau. By not using the specially produced watermarked paper, a large amount of money could be saved. It was decided that this savings was so significant, it outweighed the risk of counterfeiting.

 
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  • 1847 5¢ Benjamin Franklin, red-brown, thin bluish wove paper, imperforate U.S. #1 - First U.S. Postage Stamp

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U.S. #378
Series of 1910-11 5¢ Washington

Issue Date: December 17, 1910
Quantity issued:
 300,000,000
Printed by: Bureau of Engraving and Printing
Method: Flat plate
Watermark: Single line
Perforation: 12
Color: Blue
 
In August of 1910, the Bureau of Engraving and Printing made the decision to change the USPS watermark. In addition to reducing the size of the letters, the style was changed from a double line to a single line. The purpose was to strengthen the paper and give it a more uniform thickness, since the old watermark had a tendency to weaken the structure of the paper.
 
Since money was in short supply due to the economic pressures of World War I, the watermark was discontinued in 1916 in an effort to cut back on production costs at the Bureau. By not using the specially produced watermarked paper, a large amount of money could be saved. It was decided that this savings was so significant, it outweighed the risk of counterfeiting.