Coin identification help - Austria 1694 3 Kreuzer?????

I bought this coin described as an Austria 1694 3 Kreuzer but I am not convinced. Can anybody help?

Thanks

  Maybe over 170 years older than expected. Looks more like one of these ...
http://www.mcsearch.info/record.html?id=358063
http://www.mcsearch.info/record.html?id=358064
 with the knight waving a sword, and the crowned eagle on the other side ?
I think the coin in the first link is more like yours, in comparison ...

Lithuania half grosch of 15.., Vilna/Vilnius  (date on yours, perhaps 1517, is on top left).
Obv: Knight rider with a sword riding toward the left.
Rev: Polish Eagle.




Obverse lettering:  + MONETA : SIGISMUNDI : 15..  
Reverse lettering:  + MAGNI : DUCIS : LITUANIE
 
EDIT: Having found out all that, I now think it is already on here (size 20mm) ...
https://en.numista.com/catalogue/pieces35049.html
 Here are some others ...
http://icoins.eu/ygimantas-senasis-1506-15441548/half-groat/1519.html

Thank you very much ZacUK for all your hard investigative work. I think you have helped solve this mystery. I knew it couldn't be what was described when I bought it. Much appreciated.

Shaun