Amelia Browne Sprague (American, 1870-1951) for Rookwood Pottery, United States. Studio pottery vase decorated with flowers. Stamped along the bottom with a Rookwood Pottery “RP” mark, numbered “900C,” and signed. Founded by Maria Longworth Storer Nichols in 1880, Rookwood was one of the first female-led pottery manufacturers. Height: 8 1/4 in x width: 4 1/2 in.