100 at the outside
38 S&W CTGE is the caliber of the firearm- it fires the 38 S&W cartridge. We have no way of telling without the model and condition. Typically low cost handguns, valued $50-$150.
Value of any gun is based on make, model, and condition. There were dozens of different models of the H&R top break revolvers in .38 S&W- could be $50 or $250.
The Harrington & Richardson 925 uses the .38 S & W (Smith & Wesson) cartridge. They starting making them in 1964
Seldom exceeds 100 USD
The gun is likely a Harrington & Richardson (H&R) model 925. The caliber is .38 Smith and Wesson (S&W) special, not to be confused with .38 special (SPL). You must shoot the .38 S&W ammo, not .38 spl.
1940's
I find no Harrington & Richardson S/S shotgun manufactured since 1885.
Made through the late 1940's - mid 1950's. Value under $100.
40's and 50's
1940's
Since it has a serial number, it was made after 1968. They were made at least through the 1990's, but I know of no source of serial number dating info for recent H&R guns. * Harrington & Richardson manufactured the shotgun in 1974.