Your rifle is a Marlin 25M. You can check with Marlin Customer Service, expect price to be AROUND $25 plus shipping.
Depending on exactly which model, the MSRP for a S&W model 500, in .500 Magnum is between $1,200 and $1,500.
About $200
100-1000 usd
Just a general price
50-550 usd
$530.70
100-500 USD or so
25-200 USD or so
The Model 19 was not made in stainless steel.
J.C. Higgins model 153.17 shotguns were manufactured in the 1950's, making them approximately 60 years old. The price can range from $50 to $300 depending on the item condition.
Without more information; 50-1000 USD
The price range on your shotgun is between 165-200 dollars depending on the amount of finish being between 60%-90%.The Marlin model 120 magnum shotgun was made from 1971-1985.