#632a – 1926-34 1c Franklin,green,bklt pane (6)

U.S. #632a
1¢ Benjamin Franklin
Booklet Pane of 6
 
First Day of Issue: June 10, 1927
First City: Washington, D.C.
Printing Method: Rotary Press
Perforation: 11 x 10 ½
Color: Green
 
The portrait of Benjamin Franklin shown on these stamps had previously been used on at least eight other U.S. stamps. It is based on a bust of the first Postmaster General created by Jean Jacques Caffieri in 1777.
 
Perfecting Perforations on Rotary Stamps
When the Bureau began printing sheets on the rotary press, they found 11 gauge perforations were too fine, causing the stamps to separate prematurely. This resulted in the perforations being changed back to 10 gauge perforations, which had first been used in 1915. Once again, objections were raised, and the Bureau began looking for a way to perforate the stamps so they were strong enough to resist premature separation, yet fine enough to be separated without difficulty. The solution was found in a compromise that resulted in a new perforation – the 10 1/2 gauge.
 
This perforation seemed to please everyone and was adopted as the new standard for rotary press sheets. In the words of Linn’s author Gary Griffith, the 1926-28 Compound Perforation rotary stamps represent “if not perfection, then at least a high degree of achievement...”
 
 

 

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U.S. #632a
1¢ Benjamin Franklin
Booklet Pane of 6
 
First Day of Issue: June 10, 1927
First City: Washington, D.C.
Printing Method: Rotary Press
Perforation: 11 x 10 ½
Color: Green
 
The portrait of Benjamin Franklin shown on these stamps had previously been used on at least eight other U.S. stamps. It is based on a bust of the first Postmaster General created by Jean Jacques Caffieri in 1777.
 
Perfecting Perforations on Rotary Stamps
When the Bureau began printing sheets on the rotary press, they found 11 gauge perforations were too fine, causing the stamps to separate prematurely. This resulted in the perforations being changed back to 10 gauge perforations, which had first been used in 1915. Once again, objections were raised, and the Bureau began looking for a way to perforate the stamps so they were strong enough to resist premature separation, yet fine enough to be separated without difficulty. The solution was found in a compromise that resulted in a new perforation – the 10 1/2 gauge.
 
This perforation seemed to please everyone and was adopted as the new standard for rotary press sheets. In the words of Linn’s author Gary Griffith, the 1926-28 Compound Perforation rotary stamps represent “if not perfection, then at least a high degree of achievement...”