Joined: Jun 2009
Posts: 2,242
Likes: 1,659
From: PacNW
Bikes: Dinucci Allez 2.0, Richard Sachs, Alex Singer, Serotta, Masi GC, Raleigh Pro Mk.1, Hetchins, etc
it's a 69 or 70 based on the historical list of serial numbers in the cinelli registry
Cinelli serial numbers do not run sequential but you can get an approximate date based on correlation with other S/Ns sold in period
the 3 lug holes started in about 68-69
remember some bikes may have been partially assembled or sat unsold at the Cinelli shop in Milan
/markp