1. Mask Museum number: 3-3168 Culture or time period: Mayo Object class: Masks (costume) Function: 5.1 Religion and Divination: Objects and garb associated with practices reflecting submission, devotion, obedience, and service to supernatural agencies Dimensions: length 18.6 centimeters and width 15 centimeters Collector: Ralph L. Beals Collection place: Sonora, Mexico Collection date: 1931