Vince cream crewneck three-quarter sleeve blouse size 2

Beautiful Vince cream crewneck partial open back blouse. This blouse has two snaps in the back one near the lower back and one high at the collar. Three-quarter sleeve Really beautiful. The fabric tag has been cut out. I saw the same blouse online and the fabric is 100% polyester. Size 2 bust measures 20 inches across length 23 inches long measurements are approximate I am a size 6 and I wore this top. Runs large for a size 2