St John Evening Pearl and Crystal Studded Knit Top With Zipper Detailing

St John Evening size 8 pearl and crystal studded knit floral patterned top with zipper detailing at the neckline and down the arms. No material label, but feels like a wool/rayon blend. The width of the neckline can be adjusted by the crystal-studded zipper, and the sleeves can be opened as well using the zippers. Shoulders measure approximately 18 inches across, sleeves are approxinately 18 inches long, overall length of top is 21 inches.