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

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Cultured Pearl Box

Mikimoto's Invention • Vintage Graduated Two-Strand Cultured Pearl Necklace, circa 1950 • Hofer Antikschmuck

Double Strand Pearl Necklace - The Pearl Girls

Buy Double Strand Graduated Pearls Online In India - India

Graduated Akoya Cultured Pearl Necklace, 20 Inches, 14K White Gold – Fortunoff Fine Jewelry

Archive-Sold Out – Vintage Valuable Pearls

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

Market Find 6 piece jewellery set

Mikimoto Double Strand Pearl Necklace - 2 For Sale on 1stDibs mikimoto 3 strand pearl necklace, double strand mikimoto pearl necklace, double row pearl necklace

Double Strand Pearl Necklace - The Pearl Girls

For Sale - Vintage Necklaces from Pretty Penny's Pieces - Cultured Pearl graduated double strand necklace with a 14K pearl and diamond front center

Cultured Pearl Double Strand Graduated 14K WG Diamond Front Clasp Necklace

Fuji Pearl Designer Vintage Japanese Cultured Akoya Pearl Strand Neckl – Vintage Valuable Pearls