SPAIN. Aragon. 2 Ducats, ND (1516-56)-CA. Zaragoza Mint. Charles & Johanna. NGC AU-58. Fr-22; Cal Type-15. Weight: 6.93 gms. Obverse: Crowned busts facing one another, "C" between busts; Reverse: Crowned coat-of-arms, C-A across field. A <strong>RARE</strong> type, this coin possesses fresh surfaces with only a few marks visible on the obverse. Significant undulations in the flan are all that likely prevented Mint State certification.