EditorialIdiophone: Iyoba Striking Gong, 18th?19th century, Nigeria, Court of Benin, Edo peoples, Ivory, H. 12 1/4 x W. 1 7/8 x D. 1 3/4 in. (31.1 x 4.8 x 4.5 cm), Bone/Ivory-Musical Instruments, Hand-held clappers commemorate an important event in Benin histor...