This is a Vintage 1950s Cara Mia by Lilyette Black Lace Sheer Bra in Size 36. It is a Super Sexy Pin-Up Style. Model # 826B. It doesn't have a cup size marked, but it appears to be a "b" cup. The black lace is lined with a nude colored mesh lining. It is in very good vintage condition. Please see pics for details. Adjustable from 29 to 31.5" band size unstretched.