Vintage 1960's 18K Yellow Gold Brown Goldstone Venturina 16mm Bead Spinner Pendant

Acquired from a jeweler's estate
Vintage item in excellent condition
Crafted of solid 18 karat yellow gold, not marked but has been tested for gold content
Features round 16mm Goldstone Venturina bead and a heart motif
Weighs 8.20 grams
Measures 1.30" (33mm) top to bottom, including bail and 0.80" (20mm) left to right