
1) Coin of the Holy Roman Empire 2) Currency of Germany 3) Old german dollar
Found on
https://www.crosswordclues.com/clue/thaler

• (n.) A German silver coin worth about three shillings sterling, or about 73 cents.
Found on
http://thinkexist.com/dictionary/meaning/thaler/

(from the article `Jáchymov`) ...centre for the Holy Roman Empire, the town reached its peak in the 16th century, when its mines were owned by the counts of lik (German: Schlik). ... ...Many others operated by rights granted to the nobility, the churches, and certain municipalities, and from these henceforth appeared the bu...
Found on
http://www.britannica.com/eb/a-z/t/32
Tha'ler noun [ G. See
Dollar .] A German silver coin worth about three shillings sterling, or about 73 cents.
Found on
http://www.encyclo.co.uk/webster/T/37

The thaler was a German silver coin, first struck at Joachimsthal, Bohemia bout 1519, worth about three shillings sterling, and until 1873, when it was superseded by the mark, the currency of Germany. The thaler was divided into thirty silbergroschen, each of twelve pfennigs. From the name thaler derives the word dollar.
Found on
http://www.probertencyclopaedia.com/browse/JT.HTM
No exact match found.