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definitely from the Piaggio period
as mentioned above many of the fittings are later than the frameset
frameset will be a minimum of three-tube Columbus DB and may possibly be eleven tube
you can check the steerer interior for the presence of helical ridges which indicate a Columbus tube
would have likely come fitted with OFMEGA components for chainset, hubs
original saddle pillar is likely to have been Selle San Marco
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