This Wiyo Black-on-gray pottery sherd was found at 14MH1, a village in Marshall County occupied periodically from the Archaic to the Middle Ceramic Periods. It was donated to the Kansas Historical Society in 1987. Wiyo pottery, also called Biscuit A or Abiquiu Black-on-gray is a type of Northern Rio Grande whiteware pottery. The donation included a copy of a letter for Asa Hill from Charles Amsden to Emil Haury, all noted Archeologists, describing the pottery sherd.