Durango, Mexico, bust 8 reales, Ferdinand VII, 1819CG, "IIISPAN" error, ex-Calbeto. Calbeto-80; CT-421; KM-111.2. 26.57 grams. Engraver clearly used punches for the letter "I" in place of an "H," not mentioned in the Calbeto reference despite his possession of this example, crude VF with weak strike and faint old scratches. Pedigreed to the Gabriel Calbeto collection (duplicates), with his envelope. ($150-225)