This is a gorgeous pink, cream, and tan polka dot print silk blouse by Hermes Sport, from the 1980's. The blouse buttons down the front with pleated detail on the front, back, and sleeve. There are four inch vents at the hips.

Measurements:

Size: 42

Length(Shoulder to hem): 23.5"

Shoulder to Shoulder: 15 1/2"

Sleeve: 24"

Bust: 39"