Walter Henderson Denaut [Letter from Walter Denaut to son Roderick Denaut] Date July 19, 1866 Location Canada Ontario Bastard Delta Dimensions Paper (Envelope): 2 3/16 x 4 13/16 in. (5.6 x 12.2 cm) Print medium Ephemera Credit Line Museum Purchase, 2006 Accession No. 2006.10.40