I totally disagree with what Ned is saying. Whether it is Co. or Company or has New York spelled out or abreviated NY. They are all guns made by and marketted by H. D. Folsom Arms Co. of New York City. H & D Folsom Arms Co. seemed to use this name from the late 1890s to after WW-I when they reverted to using the Crescent Fire Arms Co. name on the guns they produced at the factory in Norwich. It is just a matter of the roll stamp they were using on the day a given gun was produced.
Magazine ad from April and May 1905 -- Company spelled out --
H & D Folsom Arms Co. catalogue No. 18 -- Co. --
H & D Folsom Arms Co. used the name American Gun Co. or Company or Crescent Fire Arms Co. on the guns they marketted and the guns they sold to others who did not specify their own "trade brand". In addition to the American Gun Co. and Crescent Fire Arms Co. names there are hundreds of "trade brand" names found on these same guns from the factory in Norwich from Acme to WYCO. The list names found on these guns that the late Joe Vorisek published in 1987 was 2 1/2 pages two columes to the page single spaced.
Ned also continues to say that Crescent Fire Arms Co. operated to 1931, when it is an established fact that H & D Folsom Arms Co. sold the factory in Norwich to J. Stevens Arms Co., a wholly owned subsidiary of Savage Arms Corp. in 1930. J. Stevens Arms Co. combined it with their recently acquired Davis-Warner Arms Corp. and incorporated Crescent-Davis Arms Corp. which operated in Norwich until it went belly-up in 1935. The remains were then moved to the J. Stevens Arms Co. factory in Chicopee Falls, Mass. and a line of Crescent-Davis guns were marketted as an even cheaper than their Springfield Arms Co. guns line until WW-II. From 1938 --