Check out gunshop.com,they got Lots of info on dbl barrel shotguns.
70-100 years
Cornell Firearms Company was a trade name used by Hopkins and Allen Arms Company on hammerless shotguns. They made these shotguns from 1902 to 1916.
100 USD or so
What information would you want? Crescent made single shotguns from 1893 to 1930. If it has a large side hammer and damascus barrels, it would almost certainly be from before 1915. If it has fluid steel barrels and a center hammer (or is hammerless) then sometime after 1903.
the value of a 1948 Stevens double barrel shotgun 16 gauge. Hammerless.
The Knickerbocker was made by Cresent, but under the Folsom House Brand. A great recourse for shotgun information can be found in a book called "The Golden Age of Shotgunning" by Bob Hinman. GK & Associates, LLC
c.1910.
"The Berkshire" by Meridan Firearms "Berkshire No. 3000" by Crescent Firearms Contrary to popular belief, not the same company.
The 410 hammerless essex shotgun is worth anywhere from $300 to $350 in good shape.
delolosi
Chances are that your shotgun was a model 385k,or a 395K model shotgun made by Mossberg firearms company.
No known sn data.