Vintage probably bespoke as no labels inside, 40"R jacket 38"W 32"L trousers, black Tuxedo DINNER SUIT. The lined jacket is 2 button, 3 to cuff and unvented, the trousers are pleat front. Spare buttons inside jacket, 
Measures; jacket pit to pit 22" (56cm), shoulder to shoulder 19 1/2" (49.5cm), sleeve length 26" (66cm), length at reverse from under collar 31" (78.5cm), the trousers across waist are 19 1/2" (49.5cm), inside leg seam 32" (81cm), across hem 9" (23cm).
Pre-owned, worn but very good condition.