Size is 38S. Fits more like a 40S due to the Classic fit. Classic fit is relaxed through the body with standard sleeve openings (i.e. more roomy than a modern or slim fit). See dimensions of the jacket below. Jacket is in very good condition. Only worn one time.

$40 including standard shipping to US address. Payment via PP. Photos can be viewed here:

Size: 38S
Shoulder: 17.75"
Chest: 21"
Length (from bottom of collar): 28.25"
Waist: 18.75"
Sleeve (from shoulder seem): 23"

All dimensions are approximate.