Classic 1950s - 60s Creamy White Pearl Necklace, approx. 19 1/4 inch length including the clasp

Clasp is stamped SILVER; often called fish hook style clasp 

Pearls are a creamy color; traditionally called white pearls

From local antique appraiser:  "Necklace is circa 1950s - 60S, silver clasp, hand knotted on silk materials, approximately 6 mm size.  Appraised verbally at:  $125 to $150".