St. John’s evening jacket size 12

St. John shawl collar evening jacket size 12 in a gold, silver and cream knit with gold, silver and cream trim. Not sure what the fabric is but I think it’s wool and silk. The lining is silk. The jacket is in perfect condition with 3/4 length sleeves Measurements Shoulder to shoulder 18” Pit-to-pit 17 1/2” Length 27”