Inscription
lower left in graphite: OK T.P.; lower right in graphite: Thiebaud '06; lower right verso in graphite by unknown hand: Thiebaud: Dark Cakes and Pies OKTP
lower left in graphite: OK T.P.; lower right in graphite: Thiebaud '06; lower right verso in graphite by unknown hand: Thiebaud: Dark Cakes and Pies OKTP