#4554 Superb LG Vtg African Simulated Amber Necklace w/ 71 trade beads

Superb Vintage African Simulated Amber Necklace w/36 trade beads 

These are phenolic resin also known as "African Amber". It is a man made plastic similar to Bakelite in that it is an early plastic first made in the 30's.  Europeans would trade these for ivory and gold.
They were made to look like amber and used like currency by Africans.
measures approx : largest one 2" diameter  by 1.25" h

smallest one 0.25 " Diameter

25" length tied 
thanks