Proofhouse.com has sn data
It can be found.
29
You will have to ask Ruger.
Winchester Model 94-44 Magnum 3199687M
No such model number.
Call S&W and they will tell you when it left the factory.
$125-250
Made by someone.
600-750 dollars
100-1000 USD
The 44 Mag caliber was never offered in the pre 1964 Model 1894's.It was first offered in the Model 94's in the late 1960's.
100-500 USD