Vintage Ben Sherman button down dark flannel size medium

This is a Ben Sherman button down flannel. This shirt says it is a size medium, but it seems to run a bit small. There does not seem like there are any flaws on this shirt like staining or pulling. This shirt has vintage sizing so it will run a bit smaller than regular mediums. Bundles and reasonable offers welcome! Measurements: Pit to pit: 18 inches Down: 21 inches fall, goth, dark, casual, simple, dark red, black, vintage, western pattern, rocker western, tie stings, winter, Halloween