Originally Posted by
T-Mar
... However, the presence of a 3rd set of bottle bosses and lack of paint have me wondering if the frame has been modified. ...
... or a touring bike, perhaps? The frame geometry, including the wheelbase and rear tire clearance, may be helpful here. Yes, the seatpost diameter will tell a lot. Smaller than 27.2mm --> not double-butted --> probably not Rossin(?).
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"Far and away the best prize that life offers is the chance to work hard at work worth doing." --Theodore Roosevelt
Capo: 1959 Modell Campagnolo, S/N 40324; 1960 Sieger (2), S/N 42624, 42597
Carlton: 1962 Franco Suisse, S/N K7911
Peugeot: 1970 UO-8, S/N 0010468
Bianchi: 1982 Campione d'Italia, S/N 1.M9914
Schwinn: 1988 Project KOM-10, S/N F804069