Vtg 60s Modest Secretary Plaid Pleated Skirt Feminine Preppy Retro Maxi Dress XS

Gorgeous vintage dress. Bright blue with plaid skirt Zippered back Maxi length In great preowned vintage condition. Cuffs of sleeves have slits on both sides. May have had a ribbon closure at one time? Shown in photo. no tags Feels like a heavy weight silk or silk blend Matching blue zipper Fits like an XS 17” armpit to armpit 13” waist lying flat 54” shoulder to hem