First Nationwide Coil Stamp Issued

1908 1¢ Franklin, green, double line watermark
US #348 was issued on this day in 1908.

On December 29, 1908, the US Post Office Department issued its first coil stamps on a national scale.

Earlier that year, the Post Office experimented with coil stamps but only made them available in five cities. The experiment ended after a representative from the Post Office Department successfully “broke into” the vending machines used to sell the stamps.

1908 1¢ Blue Green Franklin Mint Hinged Horizontal Coil Pair
US #318 – rare experimental coil issued earlier in the year

Then on December 29, 1908, the Post Office Department ushered in a new era in both mail delivery and philately. On that day, the first coil stamp (US #348) was made available at post office windows around the country.

1909 2¢ Washington, carmine, double line watermark
US #349 was issued in January 1909.

The 1¢ Franklin and the 1909 coil stamps that followed it, were produced on a slightly modified version of the same flat plate press used to print sheet stamps. After the sheets were printed, they were sent through a perforating machine and perforated in only one direction. Then, the printed and perforated stamp sheets were fed into another machine that would cut the sheets into twenty strips of twenty stamps each.

1909 5¢ Washington, blue, double line watermark
US #351 was also issued in January 1909.

Because coils of only twenty stamps would not have been efficient for use in stamp vending machines, something had to be done to make the coils longer. Each of the strips had to be taken from the cutting machine by hand and glued end to end into coil rolls of either 500 or 1,000 stamps. This was the only step in the process that required manual labor. Soon, the Rotary Press would make it possible to nearly omit this step, thus automating the process almost entirely. Using the rotary press, workers only had to “paste-up” every 6,000 sheets!

1910 4¢ Washington, orange brown, double line watermark
US #350 – Only 283,000 of these stamps were issued!

This first batch of coil stamps was perforated 12, but it was discovered that they separated too easily. So in 1910, the Post Office began perforating the stamps 8½. But this made the stamps too difficult to separate. A perforation of 10 was then adopted beginning in 1914.

1923 rotary coiling machine 599 and more 1923 599 coiling machine more stamps in background
1923 photos of coil machine at work at the Bureau of Engraving and Printing.  Click the photos to view larger.

 

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