Vintage JC Penney Adonna Union Made White Corset Bra Size undefined

Preowned / used corset bra from Adonna, a JC Penney brand. White/cream color. Underwire. Boning. Back hook and eye closure. Sweetheart neckline. Made in USA and Union Made. Good vintage condition with some overall wear throughout, including loose threads and pilling. Armpit to armpit: ~12” Length: ~10.5” Size 36C