Vintage PENDLETON Blazer Jacket 100% Pure Virgin Wool Navy Blue Lined Size 12?

This vintage PENDLETON 100% pure virgin wool blazer is in very nice pre-owned condition!  There are 2 small open seams on the inside lining of the armpits.  Please see last 2 pics... Size tag is missing therefor, please consider the following measurements before purchasing.  Thank you! Measurements (taken while laying flat): Chest (armpit to armpit) - 20"                      Shoulder (seam to seam) - 17"  Sleeve (shoulder seam to end of cuff) - 23"       Length (neck seam to bottom of hem) - 23"