Inscription
lower left in graphite: O.K.T.P.; lower right in graphite: Ed Ruscha 2006; lower right verso in graphite by unknown hand: Ruscha: Your Space #1 OKTP
lower left in graphite: O.K.T.P.; lower right in graphite: Ed Ruscha 2006; lower right verso in graphite by unknown hand: Ruscha: Your Space #1 OKTP