AUSTRIA - AUSTRIA Ferdinand I (1835-1848). 4 ducats 1848, A, Vienna. Av. FERD. I. D. G. AVSTR. IMP. HVNG. BOH. R. H. N. V. Laureate bust right, below (workshop). Rv. REX. LOMB. ET. VEN. DALM. - GAL. LOD. IL. A. A. (date). Double-headed eagle displayed with coat of arms in heart; below (4). Fr.480 - KM.2270 - Her.13; Gold - 13.95 g - 39.5 mm - 12 h NGC WITH CLEANED DETAILS (8583598-009). With minor circulation wear, only the fields are browned with handling marks, and lightly rubbed. Superb.