McCall's 3914 vintage sewing pattern, dated 1956.

Misses' Dress:

Fitted sheath dress has waist darts, gusseted, short kimono sleeves with bands, buttoned tab opening at front, stand up collar, welt pockets in side front seams, attached buttoned belt at back waist. 

Size  18:

Bust   38 inches / 97 cm

Waist 30 inches / 76 cm

Hip    40 inches / 102 cm

Pattern is UNCUT and factory folded. Envelope is paper tanned, crumbly and split.

More '50s patterns here:

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