JG Hook vintage wool double breasted peacoat style long coat. EUC. Size large(?)

What a lovely coat. No visible flaws or stains. No size tag. I wear a 14/16 and it fits perfectly. I’m thinking it’s a large or 14. Here are some measurements: Shoulder to shoulder:18” Pit to pit 22” Waist at buttons: 24” Length from collar seam to hem 48” Sleeve length 24”