30 + year old pearls | Can you help me

by Chris Heming
(Australia)

My mother passed away 30+ years ago. I was given a pearl necklace. It's in a the original Monte Carlo box. It has about 90 pearls tapering from small ones at the silver clasp to large ones in the middle. The locking or clasp is silver with a small pearl glued on it.

Have you seen or know any info about pearls from 30-40 years ago and what it might be worth. I had it cleaned and restrung about 20 years ago.

Cheers