Dallas Cowboys Alvin Harper Authentic Autographed Jersey. Hand Signed Alvin Harper 80, Super Bowl Champions 92 , 93. Drafted in the First Round, 12th Overall to the Dallas Cowboys and Helped in Winning Super Bowl XXV11. Stored since the 90,s. No Size on Collar So Took Measurements. Shoulder to Shoulder 28 Inches, Armpit to Armpit 25 1/2, Waist 25 1/2, Collar to Bottom 32.  Check out some of my other Dallas Cowboy items.