Try these sources: Numrich gunpartscorp.com
Jack First jackfirstgun.com
Bob's Gun Shop gun-parts.com
Model 59A WHAT?
The 59a was made from 1938 - 1947.
The 59a was made from 1938 to 1947.
your stevens model 59A was made from 1938-1945,with a total production of 21,000.
The stevens model 59A was made by savage arms from 1937-1967.I am afraid that this is the best I can do with the info available.
$75-$150
Can't be answered without a detailed descripiotn of ALL markings.
The savage/stevens model 59 was made between the years 1938-1945.
Blue Book of Gun Values has a store brand chart
You will have to contact Savage arms directly for the answer to your question.
I seem some parts for your gun on e-bay
$75 to $150 depending on condition. sales@countrygunsmith.net