Three-row folding mancala board. One of two wooden galutta boards, each with nine circular depressions on the square and one on the small projecting arm.
De Voogt, Alex J. "Mancala: Games That Count." Expedition: The Magazine of the University of Pennsylvania Museum of Archaeology and Anthropology 43, no. 1. (2001): 38-46. Page/Fig./Plate: 41, Figure C
Curnow, Kathy. At Home In Africa: Design, Beauty and Pleasing Irregularity in Domestic Settings. Cleveland: The Galleries at Cleveland State University, 2014. See: Page 110/Fig. 6-21