Chouinard Alcoa aluminum carabiner. Maker's mark 'Chouinard' stamped on one side, '820 ALCOA 7075' stamped on reverse. Exact date unknown but likely produced between 1958-1968. ALCOA stands for Aluminum Company of America. 820 is thought to be a…
Chouinard Alcoa aluminum carabiner. Maker's mark 'Chouinard' stamped on one side, '820 ALCOA 7075' stamped on reverse. Marked with a wrap of red and white tape. Exact date unknown but likely produced between 1958-1968.