I remember it. I remember drinking it in Juarez. Most Mexican beer is made with corn which is an adjunct.
Yes, I remember the Tres Equis brand.
I found it ‘interesting’ there was a XX AND a XXX
brand of beer.
Here’s a link for Tres Equis:
http://images.google.com/images?hl=en&q=Tres+Equis&btnG=Search+Images&gbv=2&aq=f&oq=
Now, what I HAVEN’T heard of is the Quad Equis XXXX beer! :)