MEXICO: Revolutionary Issue, AE 5 centavos, 1914, KM-612, GB-30, Chihuahua issue, rare one-year type, with characteristic large reverse die crack, NGC graded AU53 BN, R. In the 1960's, Utberg estimated only about 18 pieces of this to be known. There have since been more examples discovered, but it is still a rare issue, as the die failed early in production.
Estimate: 120-170 USD