It does look a bit like the Superissimo model, so that may be correct.

Get the BB photo and whether the dropouts are embossed Colnago, then judge from there.

Shipping from Europe is always a pain, but the 8 spd record/chorus gruppo is worth quite a bit too... so if it is genuine (repainted/rebadged), then it isn't a bad deal.

I hate to cancel E-Bay orders unless there is an obvious listing error, but it never hurts to verify.