1830-A, Emperor Francis I. Silver Madonna Thaler Coin. Mint year: 1830 Mint Place: Vienna (A) Emperor: Francis I of Austria. Denomination: Madonna Ttaler Material: Silver (.833) Diameter: 38.2mm Weight: 28.02gm Obverse: Laureated bust of Francis I of Austria with short hairstyle right. Mint initial (A) of the Vienna mint below. Legend: FRANC . I . D . G . AVST . IMP . HVNG . B . L . V . G ...