I would make sure that it really is a Bianchi. It could be a sloppily applied head tube badge in hopes of passing the bike off as a Bianchi.
I believe you can get a Bianchi head tube badge for $7.00 here.
https://www.ebay.com/itm/Cycling-Bic...-/232995095805
Last edited by Doug64; 02-21-19 at 11:10 PM.