It says "fine laminated steel" so is obviously twist or Damascus. It has vent plugs on the side near the breech-a feature found only on higher quality guns.
Drop the ramrod in the barrels and check the length against the outside to make sure it isn't loaded-many still are. No clue as to maker-should be on the lock plates. Need closer pictures.

I would be the last person to say"don't shoot it", but it needs to be checked for safety. Bore condition is one and the locks are another. Twist barrels are problematic in that there can be pockets of impurities or voids in the metal that are not visible. The quality of this gun helps in that regard.
The one hammer is at halfcock-on purpose or a problem? Also these are often a bore size not common today. There are wads available in a variety of sizes from Circle Fly and track of the wolf. If all checks out then have at it.

if you can remove the barrels on the bottom breech end will be symbols these represent the maker where the gun was proofed and sometimes the time of manufacture google early proof marks leige,belgium proofs gardonne,italy proofs English proofs these are the main importers of percussion shotguns mainly Belgium