Ivan Provorov Philadelphia Flyers Celebration Autographed 16" x 20" Hockey Photo Signed picture of Flyers star Ivan Provorov; includes certificate of authenticity from James Spence Authentication (JSA) This photo has been signed by Flyers star Ivan Provorov. All autographed memorabilia comes with a certificate of authenticity and matching hologram. Hand-Signed by Philadelphia Flyers star Ivan Provorov Signature is in bold blue on the photo Authenticated with JSA serially numbered hologram and certificate