A decent fully legible rarer thaler.
Obverse: the ruler's head to the left, below the mint mark F, in the rim the legend:
IOHANN V.G.KOENIG VON SACHSEN;
Reverse: two miners leaning on the kingdom's coat of arms, surrounded by legend:
SEGEN DES BERGBAUS EIN THALER 1859 XXX EIN PFD.F.;