Hi,
I took a peek at the purported Guerciotti and I agree that this does not look like a Guerciotti. I owned at least two Guerciottis and worked for a time for the then importer: Ten Speed Drive in Tallahassee FLA. Could it be a Grandis? I am not too familiar with that marque.
Stephen Bryne in Sunny Fairfax, CA, USA, Planet Earth