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@Scilly.Suffolk
Nice bike, but the groupset is a Chorus/Athena mix and only the seatpost could be from 1996, the rest is C-Record era (1988-1994).
Monoplaner brakes have calipers that intersect each other, yours sit one on top of the other in the conventional manner: they're Athena D500 from 1993 or earlier. However, the brake pad holders and cable adjuster are 1st generation Chorus ('88-'91); your brakes should have "naked" wheel guides and a black rubber on the cable adjuster.
The cranks are 1st gen. Chorus: what is the date code on the reverse?
The Ergopower shifters are either 1993 Record, Chorus or Athena or 1994 Chorus: all outwardly identical.
The seatpost is Chorus (obviously) from either 1995 or 1996. Campagnolo added groupset names to components from 1995 and the C-Record era, aero seatpost continued until 1997.
The combination of cable adjuster, finish, closed upper jockey wheel cage and hidden lower pivot bolt identify the rear mech. as 1993 Athena.
The front mech is harder to pin down: it could be Chorus from '91 to '94 or '94 Athena. Does the mounting bolt have a hole through the centre? Is the pivot arm chamfered opposite the cable attachment bolt, as if someone has filed it off?
No idea about the pedals: soz!