4-Reales, undated, mint mark Mo and assayer O to the left of shield, roman numeral denomination right (2, both Cal.405, CC.3587), both with flan cracks, otherwise very good (2)

Details
4-Reales, undated, mint mark Mo and assayer O to the left of shield, roman numeral denomination right (2, both Cal.405, CC.3587), both with flan cracks, otherwise very good (2)