SMC (Seattle Manufacturing Corporation) aluminum carabiner with screw gate and pulley. Maker's mark 'SMC' stamped on one side. Exact date of production unknown, but likely between the 1970s-1990s.
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.
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¦