http://www.ebay.com/itm/271446932617

This vintage shirt was made by the Sawyer Barker Co. of Portland, Maine, makers of Pine Tree Brand garments.  They were known for their workwear and their cone denim overalls. They had a factory at 120-126 Center Street. The “Made in Maine for over 50 years” dates this shirt to the 1940s. Chest (pit to pit): 21″ (42″)
Tagged size: 16″
Collar: 15-1/2″
Shoulder to shoulder: 16-1/2″
Sleeve (Shoulder to cuff): 22″
Length (base of collar to hem): 28-1/2″