Vintage Lord & Taylor 1960's Sizzler Micro Mini Dress Sports & Country Spring 6

This is an INCREDIBLE find! Stunning 1960's Lord & Taylor Sizzler Dress. It is a mini with built in bloomers or shorts inside. Based on measurements, it is approx a size 4 or 6? Please see measurements and let me know if you have questions! Small wear spot on back zipper, hard to see, and one side of the tag has come unsewn, can just be stitched back on Chest: 16" (32") Waist: 14" (28") Length: 24.5"