70s Sheer Black Metallic Floral Print Blouse
Machine or hand washable very thin polyester with silver metallic horizontal stripes.
size M - Compare measurements to a blouse in similar style/nonstretch material that fits you well. Consider how loose you want it to fit.
Blouse - 18" across underarm to underarm. May fit 32-36" bust. Approx 28" long, 16" shoulders. Mannequin is 5'8" XS 32" bust/26" waist.
Flaw: Three thin snags on bust - see closeup.

This item is sold from an excellent, highly rated vintage boutique.