This lovely dragon/monster was made in the Merton Abbey period, 1882-1888. The crazing works well on the particular tile, giving a truly prehistoric feel. For more about De Morgan, try the book by Higgins and Robinson. Not to be reproduced without permission. If you are interested in this sort of thing, perhaps the Tiles & Architectural Ceramics Society is up your street - take a look at tilesoc.org.uk/tacs/