Prussian thaler ended in 1857.
1/24th of a Thaler in 1781 was 1 Groschen. If the the coin is Prussian mintmark A stands for Berlin.
Bremen thaler ended in 1873.
Berne thaler ended in 1798.
Saxon thaler ended in 1857.
Hanoverian thaler ended in 1857.
Solothurn thaler ended in 1798.
Valais thaler ended in 1798.
Danzig thaler ended in 1814.
Zürich thaler ended in 1798.
Basel thaler ended in 1798.
Westphalian thaler ended in 1813.
Mecklenburg thaler ended in 1857.