Midcentury-ish, this is a heavy, cast silver owl with big googly green eyes of a stone, probably serpentine. The owl is 1 3/4″ tall x wide at his ‘ears’ or head feathers and he weighs 38.2 grams. The pendant hangs from a thick silver half loop on the back. No marks but I guarantee it to be silver.
Vintage silver owl and greenstone pendant
Midcentury silver big eyed owl pendant