70s 2-Piece Burgundy and Grey Skirt and Top (L)

Burgundy & grey 2 piece set! Labeled size 16. Fit like a modern large in my opinion. Please see measurements below, taken laid flat:

Skirt 
Waist 15"
Hips 23"
Across bottom 26"
Total length 28"

Top:
Armpit to armpit 20"
Shoulder to shoulder 17"