Pierre Allain aluminum carabiner. Maker's mark 'P. ALLAIN 1600KG' stamped on one side, reverse side stamped 'BREVETE S.G.D.G.' (sans garantie du gouvernement), which translates from the French to 'Patent without government guarantee'. Exact dateā¦
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.
REI aluminum carabiner. Maker's mark 'RECREATIONAL EQUIPMENT INC' stamped on one side. Marked with a wrap of red and white tape. Exact date of production unknown.