Gwenn Knight (1931-2017) studied at the well known Pilchuck Glass School and had her own gallery, The Glass Knight, showcasing her glass art as well as other notable Washington artists. Her art was also featured in many galleries.
This fluted shell is from her Works In Glass, A Matter of Light collection. It is her Satin Champagne color. Signed Gwenn Knight near the lip, shown in the last picture.
14" by 14" at the opening, about 13" deep.