See related link.
You will have to contact Mossberg to find out.
The Mossberg and Sons Model 146B was manufactured in 1954-1958.
It was made from 1950 to 1957. If you are interested in the older Mossberg firearms, get a copy of "Mossberg-More Gun for the Money" by Victor Havlin.
Mossberg and sons made your Montgomery Wards(Western field) model 37.The Mossberg model 30 is the same rifle.These were made by Mossberg and sons between the years 1933-1935.The value of a Mossberg model 30 is between 45-100 dollars.
Around 125 at.highest I have one don't sell it their good guns
1944-1950
The 28th edition of Zfestad's lists the 195K-A value at $150 in 100% condition. Excellent condition, or ~98%, is valued at $110. That's an appraised number as you can probably get around $200 or slightly more for it.
I believe it was made by mossberg and sons in the 30s Im trying to find out as well. Found the link for mossberg and sons. It was made in 1938. Go to Mossberg web sight and they have all there firearms in catalog
1950-64 depending on which variant
It was made from 1936-1938.
Your western Field model 830b was made by Mossberg and Sons for Montgomery Wards(Westernfield).The Mossberg model 340K and your firearm are one and the same.