MEXICO. Trio of "Caballito" Pesos (3 Pieces), 1911-13. All PCGS Gold Shield Certified.1) 1911. PCGS Genuine--Cleaned, AU Details. KM-453. Long Ray variety.<p>2) 1912. PCGS Genuine--Cleaned, Unc Details. KM-453. <p>3) 1913. PCGS Genuine--Cleaned, Unc Details. KM-453.