Laureate bust facing right with necklace; in the legend behind the neck crowned twofold Hungarian shield, on the right Madonna on a crescent.
Obverse script
Latin
Obverse lettering
FERDINAND III · D · G · RO · I · S · AVG · GER
· HV · BOH · REX · (Translation: Ferdinandus IiI. Dei Gratia Romanorum Imperator Semper Augustus Germaniae, Hungariae, Bohemiae Rex - Ferdinand IiI., by the grace of God Emperor of the Romans, Always August, King of Germany, Hungary, Bohemia.)
Reverse description
Under the imperial crown, double-headed eagle holding sword and scepter with fourfold curved coat of arms (Hungarian Árpád stripes, Bohemian lion, Bohemian lion, Árpád stripes) with a center chest-shield of Austrian bonds and Burgundian stripes. Mintmark at the hands of the eagle.
Reverse script
Latin
Reverse lettering
ARCHIDVX · AVS · DVX · BVR · MAR · MOR
· CO · TYR · 1642 ·
K B (Translation: Archidux Austriae, dux Burgundiae, marchio Moraviae, comes Tyrolis)
Edge
Smooth
Mint
KB Kremnica, Slovakia(1328-date)
Mintage
1639 K - B - Unicum - 1641 K - B - Unicum - 1642 K - B - Unicum - 1647 K - B - Unicum - 1651 K - B - - 1652 K - B - - 1654 K - B - - 1658 K - B - -