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
the value of a 1948 Stevens double barrel shotgun 16 gauge. Hammerless.
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 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.