1. Headrest Date: ca. 2625-2170 B.C.E. Time period: Old Kingdom Period Medium: Marble Extent: base: 5 5/8 × 2 5/8 × 6 in. (14.3 × 6.6 × 15.3 cm); cradle: 2 1/2 × 15/16 in. (6.3 × 2.4 cm)