Love the sweet button details on this. Beautiful rayon blazer. 

Size S/M

Measurements taken laying flat 

Pit to pit 17.5"

Shoulder 15.5"

Model's measurements

5'6 , 34D    Waist - 28"    Thigh - 24"    Hip- 39.5"

Model wears size : M/6

Please note, these vintage and and second hand items have lived many lives. There may be some imperfections here and there. Anything major will be mentioned.