Here we have a wonderful Canali brown label 2 button, dual vent, gray and blue plaid wool flannel sport coat. Made in Italy and marked a size IT 52 R, but please go by actual measurements.
 
Shoulder to shoulder: 18 3/4"
Shoulder to cuff: 24 3/4"
Pit to pit: 22"
Length from bottom of back collar: 31"