New York Yankees Wall Art-9.5x19-Steiner Auth.-This is a Steiner original framed New York Yankees Subway Sign wall art print. This Yankees print highlights some of the biggest names in Yankee history and includes actual infield dirt from Yankee Stadium. This wall art would be perfect for your Man Cave or Sports Room in your house. The dirt has been authenticated by MLB Authentication and this piece is guaranteed authentic by Steiner Sports. The Steiner Seal Means Its Real. Steiner Sports is the Official Memorabilia Provider of the New York Yankees.