Charles,
Try these sites:
https://www.gunsamerica.com/
Guns for Sale - Online Gun Auction - Buy Guns at GunBroker.com
You can do a search on your particular guns and get a sense of value.
There are some really knowledgeable folks here, but a few links on some quick searches:
https://www.google.com/search?q=Savage+1921&ie=utf-8&oe=utf-8
https://www.google.com/search?q=94C+410+shot+gun&ie=utf-8&oe=utf-8
Enjoy.
My son and I were just going through the many shotguns we have and we have decided to sell a few...not based on the value of the gun but on sentimental value. We have some cheap guns we wouldn't sell ever.