Signed and dated, in pencil, lower right below plate mark: Robert Austin '1925 Signed, in plate lower right: AUSTIN
Watermark, verso, lower left: [coat of arms and inscription Charles 1]
Inscribed, in image, lower left: S. Domenico Perugia Inscribed, in plate, lower left: + SAN + DOMENICO + PERVGIA + 1925. Inscribed, in pencil, lower right on sheet: 3151 Inscribed, verso, lower left: 23 [encircled]