Home / Discontinued / 1991 Mariners Team Signed Baseball 1991 Mariners Team Signed Baseball$495.00 Discontinued Description Description This is an Official American League Baseball signed by 26 members of the 1991 Seattle Mariners – including Ken Griffey Jr. For the first time in franchise history, the Seattle Mariners finished above the .500 mark in 1991. Authenticated with a full PSA/DNA letter is this signed OAL (Brown) baseball. Twenty-six ballpoint signatures are found on this baseball. Those who signed include: Lefebvre, Schaefer, DeLucia, Martinez, Swan, Fleming, Clines, Hanson, Amaral, Griffey Jr., Briley, Vizquel, Burba and more. Due to the rare nature of this ball we will charge your credit card for the full price immediately upon taking your order. This policy ensures we reserve the ball for you. We will confirm your order by Email. This ball is not game used. Please allow at least 2 weeks for delivery.