Vintage Sterling Silver Lily Sweater Chain Pin

Vintage 1950's sterling silver sweater pin is marked Sterling and features lilies with blue and clear stone adornments.  There is one missing blue stone at the base of the stamen on one lily as can be seen in photo 2.  The flowers measure about 1 3/8 inches by 1 1/2 inches wide and the double chain measures about 6 1/4 inches long.  End to end it measures 8 inches, and it weighs 34.4 grams.