Vintage Native American Makah Nootka woven basket bowl on shops abalone shell

Product code: Vintage Native American Makah Nootka woven basket bowl on shops abalone shell
Vintage woven Nootka Makah bowl shops BASKET on abalone shell. Authentic Native American basket / bowl that is woven over a abalone shell. The shell has a crack that goes all the way through, please review photos for details and measurements.