Depending on condition, between $50-$150. W. Richards was a brand sold by Sears around 1900, and was playing on the name of an unrelated very high quality English gun, the Westley Richards (no relation) Laminated steel was the term used for a form of twist steel barrel. These should NOT be fired with any modern smokeless ammo- and should be inspected by a gunsmith before shooting anything. But it would look great over the fireplace.
to get an informed answer, ask your question at http://www.parkergun.org/
Please list all the markings on the shotgun. Harrington & Richardson were producing hammerLESS double shotguns as far back as 1882. email@example.com
i got a 12 gauge king nitro double barrel double triggers and double hammers no serial number on it
100 USD or so.
the gun has two hammers and on the barrels is stated laminated steel
Age and value fca de-martin 12ga double barrel with hammers and two triggers
50-100 or so
@ turn of the century, 50-100 USD