Karl Mecklenburg Signed Denver Broncos Jersey Inscribed "Orange Crush" (JSA COA)This autographed jersey has been personally hand signed and inscribed by Karl Mecklenburg of the Denver Broncos. Mecklenburg added Orange Crush along with the bible verse "Phil 4: 8" along with his signature. This autograph is certified by James Spence Authentication's (JSA) Witnessed Protection Program. That means that a JSA representative was present when this item was signed. It comes with the numbered hologram for Authenticity.