Three tangas
Marajoara culture, Marajo Island, Para, Brazil
Redware
6.25 to 7 inches wide (15.8 to 17.7 cm)
Ca. 500-1400 A.D.
Ex Jean-Eugene Lyons collection, Geneve, Switzerland  

Tangas are thin concave triangular ceramic pubic covers found in burial mounds associated with females. The holes at the corners are believed to be string holes, meant to attach the artifact to the body. These three are undecorated, yet have intriguing surface textures and shapes.
#3566 collection no. 310
#3567 collection no. 289
#3568 collection no. 303

$450 each, sold separately