You still haven't told me what type of shotgun it is, but Newport was a Brand Name used by Hibbard, Spencer, Bartlett & Co, Chicago (1882-1962). If it is a double barrel sidelock with outside hammers, it was probably made by Crescent Arms Co, Norwich, CT. A double barrel hammerless boxlock more likely by J Stevens Arms Co, Chicopee Falls, MA. or a single shot exposed hammer by Iver Johnson, Fitchburg, MA. Regardless of the manufacturer, it is worth $75 or less for a single shot or $100-$150 for a double barrel.
1915 c n Newport 12 gauge coach gun
Actually the shotgun uses 16 gauge shells i have the same shotgun
A Winchester Model 37 410 gauge shotgun is well suited for new shooters and for hunting small game animals. It's small gauge offers light recoil and quick follow-up shots.
E-GunParts.com
The patent for Newport Model CN double barrell shotgun is 1915, but Newport was a named given to guns made by J Stevens, Ivers Johnson, and Crescent Arms. So most likely it was made in the early to mid 1900's.
Bluegrass 12 gauge shot gun model 1900
The value of a Mossberg Model 500e 410 gauge shotgun overages between $200 and 300. The actual value of the shotgun is largely determined by its overall condition.
shotgun
model 620-a
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It a Savage models ... 30D, 30E, 30F or Stevens model 67
No model provided.