Shimano & Campagnolo 'Prototype" parts...

Warning: Crankarm for display only

Rare collection Prototypes and samples from Campagnolo, Shimano Dura Ace, KCNC | eBay

A friend of mine has a whole bunch of campy prototype parts on his bike. RARE.

campy mirage front derailleur

I have a whole heap of campy parts,
They were such amazing proto types the put them into production.