Deep shell with two opposite concave wall sections. An avimorphic head protome appears on one of these sides. There are also two attached anthropomorphic arms on the same wall. The pottery has three conical, massive legs. The object has been smoothed and slurried on both sides. Its exterior is primed and painted. The primer and paint are partially eroded. The ceramic has a red base colour, which was painted black on the outside of the object. There is a surrounding frieze with grid structures on the wall. The inside remains undecorated. After Lothrop 1926: Nicoya black line ware. According to Lehmann 1913: El Viejo style. Cultural significance: this type also occurs in the Cordillera de Guanacaste and in the Atlántico Norte region. It has been documented both in burials and in household contexts. (Künne 2004)