Vintage Pappagallo White Button Down Shirt or Jacket Size Large

Vintage EUC button down shirt or jacket. There is a discoloration on one of the pockets but it's very faint, see picture. It has 4 pockets 2 button pockets on the top front and 2 open pockets on the bottom front. The material is a textured style. Approximate measurements: 21.5" chest pit to pit laying flat, 22" length