Vintage 1989 Parisian Two Piece Top and Skirt Outfit

Purchased in small shop in Paris in 1989. Darling outfit, sweater material, tight knit. No size in garment but skirt waist is elastic and measurers approximately 11 inches when not stretched and is19.5 inches long. Top from armpit to armpit is approximately 20.5 inches. It has a little pilling which can probably be removed if you wish. Non-smoking and pet free home. A truly lovely outfit!