S.H.C. stood for Shapleigh Hardware Company. The shotgun was more than likely made by either a Belgium company or Cresent Fire Arms Com.. It was very common in the late 1800's and early 1900's for arms companies to stamp the hardware stores "logo" on a shotgun or .22 for a fee.
The 12 Gauge Single Shot Shotgun Model 336882 from the Volunteer Arms Company was probably manufactured by the Belknap Hardware and Manufacturing Company that operated in Louisville, Kentucky. Iver Johnson Company and H & R, are two other gun manufacturers that made this type of shotgun.
Your shotgun was made by Crescent Fire Arms Company and store branded by Van Camp. 50-150 USD at the most.
It sounds to me that what you have is a shotgun that was made by the crescent firearms company,they made many shotguns under hundreds of store names for hardware,and general supply stores from 1880-1930.
Central Arms Company was a trade name used by the W.H. Davenport Firearms Company on shotguns made for the Shapleigh Hardware Company of St. Louis. MO.
Daniel Boone Gun Company was a trade name used by the Belknap Hardware Company of Louisville, Kentucky on firearms they retailed, 1900-1935. They were made by a variety of manufacturers.
ESSEX Tradename used by Belknap Hardware Company of Louisville, Kentucky on shotguns made by Crescent Fire Arms Company. ESSEX Tradename used by J. Stevens Arms Company on rifles and shotguns.
Our Favorite was a trade name used by the W.H. Davenport Arms Company on inexpensive shotguns. They were made for the hardware and mail order business from 1891 to 1910.
Crescent Fire Arms Company was the manufacturer of the Nitro Hunter shotgun. It was as an exclusive in-house brand of Belknap Hardware in Louisville.
You will have to tell who made it.
More information needed.
J. Stevens Arms Company