Cornovii (Cornwall) Dumnoniorum (present day Exeter), it is likely that he only listed Roman places, not purely native sites. Of these, there has been speculation that Voliba might be a place in Cornwall and Tamara is assumed to be on the River Tamar, the border between Cornwall and Devon. Ptolemy's list is supplemented by the problematical Ravenna Cosmography, which lists sixteen names before Isca Dumnoniorum (which is listed as "scadum namorum", showing some of the problems of this source) and which have therefore been assumed to be west of Exeter. Several have been identified as most likely in Devon, leaving "purocoronavis" (the
Isca Greenfield-Sanders and the Victoria and Albert Museum in London. Greenfield-Sanders is an American landscape painter known for her mixed media oil paintings and watercolors based on found photography. In 2003 she created a project room at MOMA PS1. In 2005 she was tapped by Creative Time to make a large scale billboard in Coney Island as a part of the Dreamland Artists Club. In 2016 Greenfield-Sanders partnered with the Children's Museum of the Arts to create four large outdoor murals for the New York City Parks Department for a playground in downtown New York City. Isca Greenfield-Sanders Isca Greenfield-Sanders (born 1978)