What sold on eBay Autograph authentication 101

This item is in the category Entertainment Memorabilia\Autographs-Original\Music\Rock & Pop\Other Orig Rock/Pop Autographs. Elton john hand-signed nikita promo photo with 45 record jsa authentic please view my other items and thank you for looking. THIS BEAUTIFUL AND PERFECT B&W 8X10 OF ELTON JOHN IS AN OFFICIAL PROMO PICTURE OF THE 1985 HIT NIKITA.