Physical description: waxed; trapezoidal shape that tapers to 8.5 cm on the
Inscription: in ink, verso (possibly by Henry Talbot): Aug. 16.; in ink (possibly in another hand):1839 [overwritten from 1939]
Provenance: Victoria & Albert Museum, 2017 National Science and Media Museum, 2003 to 2017 Royal Photographic Society, number 025120 Royal Photographic Society, old number B16