Short Asian inspired jacket silk jacket by Citron Santa Monica. It has frog knot button. Not lined. Pre-owned but in excellent condition. 

Made of silk georgette.  No size tag. Fits XL to Plus. Please refer to the measurements listed below, taken while flat and doubled where appropriate.

Bust / Waist / Hips - 56 inches
Length - 31 3/4 inches
Sleeve length - 22 inches
Shoulders across back, seam to seam - 19 inches