Simplicity 8743 vintage sewing pattern, dated 1978.
Misses' Caftan ... A Yes I Can Learn to Sew Pattern:
The caftan with back zipper has extended shoulders, long sleeves with outside casings and adjustable drawstrings.
Size 14:
Bust 36 inches / 92 cm
Waist 28 inches / 71 cm
Hip 38 inches / 97 cm
Pattern is uncut and factory folded. Envelope is in good vintage condition, with a few spots and partial side split.
More '70s patterns here:
https://allthepreciousthings.com/collections/1970s