An Exceptionally Rare Newcomb College Art Pottery Matte Glaze Mantel Clock, 1916, especially commissioned by Lenna Gertrude Clarke Judd, decorated by Sadie Irvine, beautifully modeled with Louisiana irises and conjoined monogram "LCJ", blue, green and yellow underglaze, verso marked with Newcomb cipher, decorator's mark, and reg. no. HV63, 11 jewel clock movement by Duverdrey & Bloquel, France, height 8 1/2 in., width 7 5/8 in., depth 2 1/2 in.