Lenard.
It will be stamped either J. Stephens Arms and Tool or J. Stevens Arms Co.
This makes a difference.
As the 410 is not what we consider an early gauge, it may be close.
Let us know the stamping and we can help.
One more question---Is it a 2 1/2 or 3 inch chamber?
Best,
John


Humble member of the League of Extraodinary Gentlemen (LEG). Joined 14 March, 2006. Member #1.