Inscription
lower left in graphite; OKTP; lower right in graphite: Bechtle / 2007; lower right verso in graphite by unknown hand: Bechtle: 20th Street VW OKTP
lower left in graphite; OKTP; lower right in graphite: Bechtle / 2007; lower right verso in graphite by unknown hand: Bechtle: 20th Street VW OKTP