Quartz Crystal “Opening of the Mouth” Ceremonial Cup
This delicate conical vessel, carved from translucent quartz crystal, dates to the reign of Khufu during Egypt’s Old Kingdom, Dynasty 4 (2551–2528 B.C.). Measuring a mere 4.2 cm in height and 4.3 cm in diameter, the cup bears a small nick along its rim and traces of yellow-brown staining upon its side and base, the...