the "Meridian" blouse by Zimmermann.
body is a silk chiffon with textured polkadots, and neck and shoulders are a very nice cotton lace.
body has an underlayer of polyester crepe, but the sleeves are sheer.
overall the top is semi-sheer, you can get away with just wearing a skintone bra under it, i think.
it has a high neck, and slight balloon sleeves.
closes with little zippers on both shoulders.

excellent, like new condition, just a bit wrinkly.

MEASUREMENTS: 
no stretch. I'm measuring the underlayer; outerlayer is a little wider.
40" bust.
45" waist.
26" long.
labeled size 2 by zimmermann's own weird sizing system. it fits like a US 8, so a medium. it is meant to be a bit oversized.