Butterick 3127 vintage sewing pattern, dated ca. early 1980s.
Jumpsuit with convertible halter wrap bodice with self ties which can be worn as a belt has waistline gathers, back zipper closing, side seam pockets and either plain or wrap around hemline. Purchased top (view B)
Bust 32 1/2 inches / 83 cm
Waist 25 inches / 64 cm
Hip 34 1/2 inches / 88 cm
Pattern is cut and checked complete, EXCEPT FOR STRAP PIECE (#6), which is missing. A rectangular strip piece, should be easy to replicate. Envelope has shelf wear, discolouration and torn flap.
More '80s patterns here: