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appears to be contract produced by Chiorda, perhaps Italy's largest maker in terms of raw numbers, definitely ONE of the largest

the name may be a house brand for a retail cycle shop or for a distributor

there are thousands of such and they can be difficult to source

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readers would be able to give more information about the bicycle if additional images could be posted

from what can be seen in the two photos provided it appears to date from the early 1970's; suspect it could be much later than about 1974

lugs and headset seen in images are Agrati products
headset appears to be Agrati Art. 000.3071

Agrati headsets offered in an economy zinc finish and in a polished chrome finish, this is the zinc finish

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as you may know Bergamo is a place name in Italy, the name of a region

it is possible the the name was chosen as a house brand cycle marque by a retail cycle shop there

it could have been purchased by an American traveler or member of the armed forces and brought back with them when they returned home

if you wish to pursue the inquiry one avenue of investigation would be to contact the region's cycle shops

probably good to keep in mind that it has now been about half a century since the machine was originally sold...

this one says it began in 1975 -

https://www.morottisolociclismo.it/

search results (not all shops have web sites but all seem to give contact information):

https://www.google.com/search?q=cicl...66367831240723

[ wylde speculation ]

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