Vintage batik mandarin collar jacket

Unique unlined cotton batik jacket with frog closures and stand up collar. The jacket has two small patch pockets on the front. This is marked a size large but I would say it is closer to a medium in today’s sizing. Originally purchased at the Friendship Store in Shanghai. I purchased this many years ago in a vintage shop. Chest is approx 21”. Body length is approx 24”. Sleeve length is approx 20”. Gently worn in great condition.