You need the services of a professional appraiser.
You have one of the variations of Marlin 1895 - the G, GS, S, Cowboy, or Guide Gun. The value depends on which model you have and who you can find to buy it. The prices run from $400 to $700.
50-150 USD
The 45/70 is best kept in the 0-150 yard range out of a lever gun.
harrison lingle
1812
Harrison Lingle
Thee are a couple of different guns out there with Richards as part of their name- the high quality Westley Richards guns, and the imitators- W. Richards. Find out which you have, and contact Numrich Gun Parts Corp.
Rowland Richards. Gun maker in Birmingham, England circa 1860's. 1860's would be a period of time when percussion firearms were used...............
Try want ads, on line auctions, gun shows, gun shops
Unfortunately, not very high. The name W. Richards was used on inexpensive shotguns, attempting to 'tag along" with the name Westley Richards. While Westley Richards gun were very high dollar guns, the W. Richards were not.There was a well respected English gun maker named Westley Richards that made very nice, high dollar firearms. Unfortunately you do not have one. W. Richards was an attempt to cash in on the name of Westley Richards. They were inexpensive firearms, mostly made in Belgium. Values vary depending on condition, but most are in the $100 range.
date a gun