Featuring a square and pear cut amethyst measuring app. 8.0 & 11.5 x 7.5mm, in a festoon style necklace with freshwater, baroque pearl accents (2.7 - 3.7mm), fashioned in 14k. Bippart, Griscom & Osborn - Newark, NJ. Circa 1910. Length 14 3/4 inches.