.:: Chip Carving By McIvor and Allen 1890 to 1955 ::. Date: 2001 Location: Castletown, Caithness, Scotland Photographer: Bill Fernie https://www.caithness.org/community/crafts/chipcarving/McIvorandAllen.htm The woods used for the top-quality products were American walnut and American oak, this this which has a closer and finer grain than European oak.