The Ticao stone inscription, also known as the Monreal stone or Rizal stone, is a limestone tablet that contains characters. Found by pupils of Rizal Elementary School on Ticao Island in Monreal town, Masbate, which had scraped the mud off their shoes and slippers on two irregular shaped limestone tablets before entering their classroom, they are now housed at a section of the National Museum of the Philippines, which weighs 30 kilos, is 11 centimeters thick, 54 cm long and 44 cm wide while the other is 6 cm thick, 20 cm long and 18 cm wide.