Kinda expensive, but you don't see these come up often
Unfortunately, I think Zelda only got the Orchestral version and doesn't have a chiptune side like SMB does
http://cgi.ebay.com/LEGEND-OF-ZELDA-SOUNDTRACK-LP-EP-FAMICOM...
I have seen 2 of them come up in the past year. The other one was 60$ and is now on my wall
Edit: I lied, looked it up, it was 60$