Vintage 1960's 18K Goldstone Venturina 10mm Bead Pentagon Spinner Pendant

Acquired from an estate sale
Vintage item in excellent condition
Crafted of solid 18 karat yellow gold, not marked but has been tested for gold content
Features round 10mm Goldstone Venturina bead
Weighs 2.50 grams
Measures 0.98" (25mm) top to bottom, including bail and 0.58" (15mm) left to right