Extremely rare Silesian ducat of 'three brothers', hybrid of stamps from 1653 and 1655.
In the specialist catalog 'Common coinage of three brothers 1651-1662' by Marcin Grandowski, the rarity level was specified on the R7 for the vintage as well as the R7- for the variety, which means 9-10 pieces known to the author.
The year 1655 is, next to 1654, the second rarest year of the 'three brothers' ducats, only 1662 is rarer.
Analyzing the online listings of this variety, we did not find a single one in Poland, while Coinarchives has only four.
Obverse: three half-figures of princes in armor facing straight, an ornament under an exerque, a rim legend separated by an apple of reign
D: G • GEORGIVS • LVDOVI • & CHRISTI • FRATR:
Reverse: acoat of arms of the tournament type, squared in a cross, in field I an eagle facing left, in fields II and III a checkerboard, in field IV an eagle, decorated with three bar-type helmets with jewels and labs, along the rim the continuation of the legend divided by a rosette at the top
DUC • SIL • LIGN •• BREG • ET WOLAV • 1655.
Gold, diameter 23 mm, weight 3.42 g