1970s dagger collar knit floral print shirt, marked 11 but fits S

New old stock true vintage 70s button down long sleeve floral print shirt with dagger collar. The sleeves have a plain hem, not a buttoned cuff. The original paper tag from the maker is still attached. Never worn. Marked size 11, but fits a modern size Small. The mannequin’s measurements are 34/26/36, with a B cup. Pit to pit flat measure 18 1/2” Sleeve underarm length 17 1/2” Shoulders 14 1/4” Excellent never worn condition. From a smoke free and pet free home.