Offered here is a "Champs Flag" that is autographed by a whopping 37 Masters Tournament Champions, including 7 deceased Champs. The flag includes autographs of Seve Ballesteros, Sam Snead, Arnold Palmer, Jack Nicklaus, and many more. 

Here is a complete list:

Seve Ballesteros (deceased)
Sam Snead (deceased)
Arnold Palmer (deceased)
Gay Brewer (deceased)
George Archer (deceased)
Billy Casper (deceased)
Doug Ford (deceased)
Jack Nicklaus
Gary Player
Jordan Spieth
Phil Mickelson
Charles Coody
Jack Burke, Jr. 
Bernhard Langer
Bubba Watson
Vijay Singh
Patrick Reed
Jose Maria Olazabal
Tommy Aaron
Fred Couples
Fuzzy Zoeller
Craig Stadler
Bob Goalby
Zach Johnson
Ian Woosnam
Sandy Lyle
Sergio Garcia
Mike Weir
Mark O'Meara
Trevor Immelman
Nick Faldo
Charl Schwartzel
Ben Crenshaw
Ray Floyd
Angel Cabrera
Adam Scott
Larry Mize