vintage black mini sweater dress w/ ruffled plunging neckline 70s

black heavyweight knit sleeveless dress 

deep ruffled bib neckline open, with buttons, to the waist

ribbed knit bodice

'Plymouth New York'

no fabric tag, most likely cotton/rayon blend

tag size 11, fits modern x-small-small best

30 inch bust, 22 inch waist (both unstretched)

36 inch hip measurement

36 inch length, 19 inch skirt

unlined, 4 buttons at bodice 

excellent condition, no marks or flaws visible