Just when I was starting to feel like the local auctions I attend were becoming a dead end for an occasional cool insulator find, here comes along these little Colorado natives. The WGM purple tolls show up every now & then, but to see any Denver top is unheard of (at least by me), and this one's not only as close to mint as I've seen, but has a few character bubbles as well. I guess it's like the occasional nice putt for birdie, it keeps you coming back for more. :-}