Stephanie K button down Hawaiian shirt

Stephanie K a division of Koret brand. Hawaiian shirt with classic flowers and button down front. Buttons appear to be made of wood. Measurements Shoulder to bottom hem 22” Shoulder to sleeve hem 8” Pit to pit 21” Shoulder to shoulder 16” Used good condition. Size tag has been removed. This is a small shirt and my mannequin is a size 3 and it fits perfectly. So if I were to guess it would be a size small. Please use measurements to assure fit.