Vintage 80's 90's Buffalo Bills Single Stitch Polo Shirt T-s

Vintage 90s Buffalo Bills caricatures t-shirt. Tag is missing, but fabric feels like soft 100% cotton. Design by Shirt Xplosion. Single stitch. Several tiny brown spots on back, as shown in the last photo. No holes, no underarm stains, no other issues. Fits like somewhere between today's M and L. Please note measurements to avoid returns: laid flat measures 20.5 across chest (armpit to armpit), 25.75 length (top of center of collar on back to bottom of shirt).