This Maya culture stone bark beater was collected in either Guatemala or Belize. It's a highly developed form that is similar to some wooden bark beaters. It has a rectangular parallel grooved pounding surface and a short handle. It's made of a dark fine grain stone that was pecked into shape with a hammerstone and ground smooth. It measures 8 inches (20.3 cm) long and 2 1/2 inches ( (6.3 cm) wide.