Vintage Cotton button front Shirt top size Small

Vintage 100% Cotton flannel design checkered pattern in blue, white, hints of brown. Front button down with low waist front pockets, single button cuffs on long sleeve, inverted V notch at straight bottom back of shirt. By accomplice, size Small. In excellent pre owned vintage condition no flaws noted. Measuring 23 inches long, 18 armpit to armpit, 16 across shoulders. Please ask any questions thanks!