Originally Posted by
Mattdiano
What did you ever find out about your frame? Mine has puzzled me SO bad. Columbus sticker and BB stamps say TSX tubing. That would be a Century. Top tube decal says Corsa Extra. And it seems to be a legit decal. Under the clear coat. Then again, someone could upbadge and then coat it. Here is mine, same team col

ors as yours
I have a Corsa Extra that is made out of Columbus TSX tubes as well, I found it in Belgium.
I think that the Merckx factory would make custom frames quite often, at least for the European market.
My guess is that for the American market, they would just stick to what they had in the catalogue.