Held annually at Muirfield Village Golf Club in Dublin, Ohio, the Memorial Tournament is an event founded and hosted by legendary golfer Jack Nicklaus. Not only does the event annually showcase some of the world’s best golfers, many of the proceeds go to national and local charities. Nicklaus himself designed the par-72, 7,392-yard course. The tournament debuted in 1976, and some of the past winners include Tiger Woods, Paul Azinger, Tom Lehman and Nicklaus himself.

Nicklaus has autographed this the Memorial Tournament pin flag in black paint pen. His signature is deemed authentic by virtue of Upper Deck Authenticated’s Five-Step Process.