Are you sure it doesn't say Genuine Armory Steel? That would make it a product of Crescent Fire Arms. There should be more markings if they haven't worn off.
Provide a detailed description including gauge, barrel length, all markings, overall condition and finish.
I have two 1878 Jas Parker & Sons double barrel shotguns.
You would first need to provide all of the markings found on the gun.
when was the carolina arms 16 gauge single barrel shotgun made
Best lef to a gunsmith
If it is marked only Blue Grass, not Blue Grass Model 1900 or Bluegrass Arms Co, and is a hammer double, it was made by Hopkins & Allen Arms, 1896 to 1915, according to Vorisek's Shotgun Markings.
It was made in either Belgium or one of its colonies.
50-125 USD
What isthe value of a Stevens double barrel hammer type 12 gauge shotgun Model 235 and when was it made?
nitro hunter shotgun single barrel with exposed hammer stamped belknap hdwre and mfg serial 5516
Simonis, Janssen & Dumoulin, c. 1884-1905, in Belgium
Go to Google, select IMAGES from the toolbar, and for search term enter Iver Johnson double hammer shotgun.