Originally Posted by
due ruote
Is that even a Cinelli? For all I know it might be, I'm no expert, but it looks like the kind of ad where it gets called Cinelli because that's what the stem says. Sorry if that's unfair but it's how it strikes me. Also it looks like it was painted - poorly - with a brush. Who does that with a Cinelli? Otoh it may be worth it for the parts in any case, but that's pretty far afield from what the OP wanted.
Looks British to me. Repainted, who knows what it could be, MKM, Bob Jackson, Carlton (less likely) Holdsworth…
The range of bike sizes in the adverts is all over the map. I really think finding the correct size range is the first thing.
Then noting that sellers often have no clue as to the bikes true measurements.