Jack Nicklaus Autographed Pin Flags are top selling items among signed collectibles. This item has been personally hand-signed by Jack Nicklaus and comes comes complete with a Certificate of Authenticity (COA) from JSA. The product will also be affixed with a hologram and sticker with a serial number to confirm authenticity. This Jack Nicklaus Masters Tournament Autographed Undated Pin Flag - JSA Full Letter is backed by Prime One Sports Online's 100% Money Back Guarantee. Order ships same day.