John Hartson Signed Celtic Centenary Retro Shirt Celebrate footballing excellence with this Celtic Centenary retro shirt, autographed by the legendary John Hartson. This iconic piece of memorabilia was signed at a private signing hosted by Allstarsignings in Gretna, Scotland on the 1st May 2024. Authenticity Every signed shirt is accompanied by a Certificate of Authenticity (COA), ensuring the signature is genuine & providing you with the utmost confidence in your purchase. Perfect for Collectors & Fans This signed John Hartson retro shirt is a must-have for collectors & Celtic supporters. It’s not just a piece of memorabilia; it’s a piece of Celtic history. Don’t miss the chance to own this unique piece of football heritage, signed by one of Celtic’s modern legends.