Value of Double Strand Graduated Peal Necklace by Fuji Pearl Co.

I recently acquired these vintage pearls for under $50. I estimate that they date back to the 1940s-1960s. I believe they are genuine because they have

Cultured Pearl Box

Mikimoto Double Strand Graduated Pearl Necklace

Archive-Sold Out – Vintage Valuable Pearls

MIKIMOTO GINZA TOKYO AKOYA PEARL STRAND NECKLACE 6~6.… - Gem

Buy Double Strand AAAA Quality White Freshwater Cultured Pearl Necklace for Women 18 Sterling Silver Clasp (6-6.5mm) - PremiumPearl and other Pearl

Double Strand AAAA Quality White Freshwater Cultured Pearl Necklace for Women 18 Sterling Silver Clasp - PremiumPearl

MIKIMOTO GINZA TOKYO AKOYA PEARL STRAND NECKLACE 6~6.… - Gem

A beautiful 2 Strands Choker of Natural White AAA+ quality High Grade Freshwater cultured Round pearls represent the top pick of the freshwater pearl

ZAVERI PEARLS White Freshwater Round Pearl AAA+ Quality 2 Strand Choker Necklace For Women-ZPFK11507

Value of Double Strand Graduated Peal Necklace by Fuji Pearl Co.

Honora Two Strand Cultured Pearl Necklace, Sterling Silver