No other markings? If not marked with the manufacturer's name or trademark it may be impossible to make a positive identification. If you can post pictures on the Gun ID & Value board at www.shotgunworld.com, someone may recognize it from the style. However, lacking such an identifying mark does indicate that it is most likely a utility-grade gun and as such the going price would probably be about $150 assuming it is complete and undamaged but not in like-new condition. And if gggranddad bought it new, we know it is 108 years old. If second hand, it could be 30-35 years older than that. (It is a breech-loading gun? If percussion muzzle loader would be c. 1810 - 1875, flintlock even older.)
Folsom imported most of these Belgian shotguns from about 1893 to WWI. I doubt if any factory documents still exist to determine the exact manufacture date.
Here's what little I can find in the Standard Catalog. Incorporated in 1902. Used the names Union Fire Arms, Union Arms Company, Illinois Arms Company and Bee Be Arms Company. In 1917 the company was either bought up or absorbed by Ithaca Gun Company. They manufactured slide action shotguns, hammerless doubles, a few single shot shotguns, and a couple semi-automatic pistols.
Unfortunately, it is no longer possible to obtain a job with BSA Motorcycles. BSA stands for Birmingham Small Arms company. This company manufactured arms and, oddly, motorcycles. Their motorcycles were manufactured during WWI and WWII. BSA Motorcycles LTD, which was a division of Birmingham Small Arms company went out of business in 1972. Therefore, there are no jobs available.
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