Daryl, Thanks. While sanding on them a while ago. I noticed some numbering on the underside of the barrels. On the fore-end lug, is D 3 H. The barrels each have 3 H stamped into them. Also there is some smaller stamping on the barrels of ADH on each barrel. Just my curiosity, wondering if these are some sort of identification of the Damascus? Do they indicate American manufacture? No other marks (stamps) on them. Any details appreciated. Curious Johnny.

Used too much when new.