Spanish Silver?

[igorsr]

Found this today in a field that has produced coins from the 1800s. Is it Spanish? Possible year and denomination?
Thanks
http://sh.triton.net/silver1.jpg
http://sh.triton.net/silver2.jpg
http://sh.triton.net/silver3.jpg This is the back but pretty much no detail.

 

[HISPAN]

yes one Spanish silver coin to 17 or 18 Century.(Reale)
congrats and welcome to t. net forum !!