1960 -Simplicity Pattern No. 3528- Womens sewing pattern for teen one-piece dress with detachable collar. Dress has back button closing and full gathered skirt. V. 1 is sleeveless, has contrasting detachable collar, ricktack trim, purchased belt and ribbon bow. V. 2 and 3 have bateau necklines and elbow length set-in sleeves. V. 2 has rickrack trim. V. 3 features embroidered eyelet edging and ribbon trim. Pattern partially cut. (envelope has 2 tiny corner tears)