Black open tux jacket

Tux like open no buttons look jacket. No labels. Great condition. Back has a loose sewn in belt as shown in photos. Pleated. 29” length pit to pit 17 measuring open. It’s supposed to go over a top or blouse. Nice to wear dressy or to any place for dining, vacation trip, easy to pack and wear. Missing labels so don’t know size but fits mr and I’m a small medium. Crepe like flowing feel.