The original arms were granted on March 29, 1535 by King Ferdinand I, and were based on the older version already in use. Arms are described as a base of water, from which rises a green three-topped hill, all on a black shield with a golden point.
IMAGE:
The historical arms as shown by Kober and Pirchegger (1954).
SOURCE:
+site: Heraldry of the world
Vigilant Knight 