Inscription
lower right in graphite: Peruginos Udienza del Cambio in the Collegio del Cambio Perugia. / Wood work by Dom. del. Tasso. 1490-93. / Drawn to scale. 3/8 = 1 foot. Aug 11 96.; uR //in graphite, circled: 1; uCv//in blue pencil: Pencil Point- / Fig 13