http://www.mtb-news.de/forum/showthread.php?p=9032380
The description seems a little weird, but you can see the headtube of that frame on one of the user's pictures and the user seems to be credible:
http://fotos.mtb-news.de/p/121814
that's what I thought too ;)
a "colorado at" also seems pretty rare, could not find any more pictures or details about the frame exept from an old serotta catalogue...