Vintage Hercules sanforized long sleeve twill shirt, retailed via Sears Roebuck Co. It is missing its brand and size tag. 

This vintage twill all cotton long-sleeve shirt is showing random wear, discolorations on the front, a missing button at the front,  and a replaced button at cuff, along with small nicks in the fabric, as shown

Tag Size: Tag was removed but we believe it was made by Hercules
Chest (underarm to underarm, flat, one side): 22”
Length: 28 1/2" 
Sleeve, shoulder seam to bottom cuff: 24" 
Shoulder seam to shoulder seam (across the back): 16 3/4"
Fabric: Cotton twill