Kristiati Citra Batik Indonesia Button Down Shirt. Large.

It has a mauve color and a bronze color. It is lined with a polyester material. The pocket starts outside, but the body of it is inside the layers. The buttons are hidden. I can not find a fabric tag. It could be silk. If anyone has seen this shirt please send me a message with your thoughts. I've looked everywhere. Pit to pit is 27 inches. Top of shoulder to hem is 34 inches.