Vintage SUSAN BRISTOL* 2pc tuxedo suit w/beaded side tie satin pinstripe pant

Vintage SUSAN BRISTOL* 2pc tuxedo suit w/beaded side tie, satin pinstripe pant. size 4; p2p 21" length of jacket 31". pants side to side flat 13". jacket will fit on me and I'm a XXL, but I cannot do it up or move my arms very far, thus I'd say the jacket is more maybe a size 8ish? measurements are correct. This is a gorgeous 2pc suit with a satin belt on pants, they close w a zipper and single button, they have a satin pinstripe running down each side. where the jacket has satin collar and beaded tie.