RARE '1950 SHERMAN rhinestone book masterpiece statement piece necklace

Unsigned but listed in the book: Sherman jewelry, the masterpiece collection, from Sandra Caldwell and Evelyn Yallen ( bracelet)....Some stones are lightly yellowed, and you can see on the 3 last pictures, 3 soldered joint on back of the necklace....But its very well done and it dont appear on front....17" long, and the masterpiece pendant is 4.5" long!