christian dior monsieur trench coat size 42R

christian dior monsieur trench coat size 42R All measurements taken with item laid flat. Measurements are not doubled. Length 46 1/2” Underarm 22 1/2” Shoulder to shoulder 19” Sleeve length 23 3/4” There are stains on the back of the jacket pictured. Two extra button are sewn into jacket. There is an interior zipper which leads me to believe there was an interior liner which wash removed. There is no liner to jacket. The liner was probably wool blend. Missing belt