There are 7 varieties of coil pockets that used the 1909 commemoratives (from 2004 Scott Specialized, p. 375). They were produced by the US Auto Vending Company, made of strips of manila paper folded to form a pocket that fit their vending ticket machines. The manila enclosures were perforated as USAV Type II. Coil Pockets album
Information on these pocket vending coils is found on page 375 of the 2004 Scott US Specialized Catalog.
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