Bronze knocker, c1560, (1881). Etching of a door-knocker in the form of embracing mermaids and cherubs, made in Italy, (possibly Venice) by Danese Cattaneo. From "The South Kensington Museum", a book of engraved illustrations, with descriptions, of the works of art in the collection of the Victoria & Albert Museum in London (formerly known as the South Kensington Museum). [Sampson Low, Marston, Searle and Rivington, London, 1881]