I just bought a Stevens Model 512 Gold wing 12 Ga. at Cabela's for $599.00
1932
Interchanges with Ber/Ben standard thread
Check the spelling. I suspect it is Seminole. If manufactured by Stevens, it would have been made between 1932 and about 1945 for a hardware store.
Westfield, MA
Stevens.
i think it is an abbreviation for Beretta or benelli
1 US quart = 0.25 US gallon 512 quarts = 128.5 US gallons
65,536 ounces in 512 US gallons
Many shotguns & .22 caliber rifles manufactured before 1968 did not have serial numbers. This would include your Rem. 512
No
Best left to a professional. Find a gunsmith