The brand known as the “Dog Iron” brand, as shown and listed on page 107 at line 23 of the 1950 Oklahoma Brand Book, and which brand was used during his lifetime by the late Will Rogers of Oologah and Claremore, Oklahoma, shall be reserved to the State of Oklahoma for historical purposes. It shall be unlawful for any person to use the brand for the branding or marketing of animals, provided that the statewide livestock organization may register the brand in the name of any blood relative or descendant of Will Rogers, so the brand may be perpetuated and preserved for historical purposes and in honor of the memory of Will Rogers.