This is a Minnesota Vikings Riddell throwback mini helmet that was personally autographed by Ron Yary with ""HOF"" inscription. He was drafted with the first overall selection in the 1968 draft from the Univeristy of Southern Cal after winning the Outland Trophy. He would play fourteen seasons with the Vikings prior to playing his final season 1982 with the Rams. During his career he was selected as the NLFPA offensive player of the year three times and was selected to the Pro Bowl seven times but most importantly the Vikings would go on to win 11 division titles. This includes a certificate of authenticity from James Spence Authentication (JSA) and Denver Autographs.