Women's Pink Envelope Coat M Black & White missing button and very small stain

Pre-owned Pink Envelope women's size M coat. The coat features a black, white, and gray plaid pattern on a wool-blend fabric. It has a double-breasted closure with a 3 button design (1 is missing). The lining is black satin. There is a small, light-colored stain visible on the right side. The overall condition shows signs of previous use, but no significant damage.