New With Tags Brooks Brothers Regent Fit Beige with Overcheck Linen Blend Sport Coat.. 40% Silk, 35% Linen, 20% Wool.  Two Button, Single Vent.  Made in Canada.  Retail $648.  Tagged 46R.  Measures P2P 24.25, Sh 20 1/8, Sl 25, L 31.25. 

Use measurements to predict fit.  If you don't understand measurements then google these terms:  "How to measure a jacket Andy"

Small nick on bottom back pictured.  Barely visible, easy fix.  Linen fabric has irregularities in color and texture.  That is the nature of linen.  The last two pictures show the most extreme example of this on this item. 

I combine shipping.