Campagnolo rear mech identification

[MartinB123]

Can't say I've seen one like this before! If it helps to identify then I've enclosed a pic of the calipers that came with it.

 

[ferrus]

mech’ is a Croce d’Aune

Campagnolo Croce d'Aune (B010-SM) derailleur

The mid-1980s were a disturbing time for Campagnolo. Tullio Campagnolo had died in 1983, SunTour's slant parallelogram derailleur design was clearly established as the dominant derailleur geometry, Shimano's SIS offered consumers reliable indexing and the mountain bike, a alien object that...

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