Mossberg (notice the spelling) made several different model .22 rifles that year. Most of them are worth between $100-200, depending on model and condition.
Sons d' Afrique - 1951 is rated/received certificates of: Belgium:KT
Which one, what condition?
Sons of Guns - 2011 Sniper Rifle Silencer 3-2 was released on: USA: 7 March 2012
50-150 or so
the 815 is made by mossberg and sons for mongomery ward from 1960 to 1980 and used range in price of $50-$150 depending on condition and bore
50-125 USD
35-125 USD
6 cents
6 cents
The Mossberg and Sons Model 146B was manufactured in 1954-1958.
ask your question at: mossberg.com (check your spelling)
You might find a magazine for one at egunparts.