Cropped Pullover Striped T Shirt

80s cropped pullover purple and gray striped t shirt, no size marked, please see measurements below:

BEST FIT……………….M

BUST……………………..18
measured across
chest between
underarm seams

WAIST……………………13-17
measured across
the front of waist

HIPS……………………….n/a
measured across
the front of hips

LENGTH…………………20
measured from
the top of shoulder
to hem

SHOULDERS……………16
measured from
seam to seam

SLEEVE…………………...22
top of shoulder
to end of sleeve

CONDITION...............good vintage, slightly pilled