Definition

• The name given to a silver coin issued by the Emperor Rudolf II for Groningen in 1598 and continued until about 1602. It has on the obverse a full length figure of St. John the Baptist holding a lamb.

  An essay of this piece, called the St. Jans Daalder, appeared as early as 1561, and was struck on both round and square planch ets. On it the Emperor's name is of course omitted.

Source

• Frey's Dictionary (American Journal of Numismatics, Vol. 50, 1916)

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