Vintage sterling necklace and earrings are stamped .925 (on earrings/benchbeads)

Vintage sterling necklace and earrings are stamped .925 (on earrings/benchbeads) & stamped sterling on clasp. Earrings have stamped Leach Garner symbol hallmark. Necklace features a large black onyx pendant (👀 small chip on back see pics) that measures 2” long x 2 1/4” wide x 1/4” thick (2 1/2” long W/bale); measures 20” long; sterling toggle clasp; 44 round black onyx 8mm stone beads; 24 sterling 6mm bench beads. Earrings are pierced; .925 lever backs, measure 1 1/2” long. 81grams total weight