60's Princess Peggy Solartogs Shift Dress M Mod Side Buttons Vintage

Please enlPrincess Peggy Solartogs Shift Dress, no size or fabric tag, measures as a modern Medium? see measurements below. Side button detail closure Very good condition for it's age. Has tiny white dots here and there (see photo) not sure if that's part of the fabric? Doesn't detract from dress. Measurements are approx and taken lying flat Chest 18" underarm to underarm Hip 18" Length 39" Keywords mid-century fashion retro chic statement piece collectible dress 60s summer style timeless 60s appeal bohemian mod dress Classic mod silhouette Bold mod print Iconic mod era Mid Century Vibes Groovy Vibes Movie Wardrobe Hippie Boho Flower Power