McCall's 5282 vintage sewing pattern, dated 1959.

Misses' Dress:

Dress with fitted bodice and four-gore gathered skirt. Neck is square at front, gently curved at back. Optional detachable collar. Dress may be sleeveless or have short, set-in sleeves. Left side zipper placket. Belt and collar are interfaced.

Size  16:

Bust   36 inches / 92 cm

Waist 28 inches / 71 cm

Hip    38 inches / 97 cm

Pattern is UNCUT and factory folded. Envelope has age tanning, foxing and a stamp.

More '50s patterns here:

https://allthepreciousthings.com/collections/1950s