Kwakiutl and Tlingit artist Corrine Hunt’s Raven artwork is beautifully captured on the temples of these stylish reading glasses. Chris is available with a blue tortoise shell front and crystal navy temples, crystal black or a purple tortoise shell front and crystal dark plum temples and come with high quality scratch and impact resistant aspheric lenses. Raven - Gwa'wina The raven is a symbol of the power of the unknown.