Will stay again!
The apartment is fantastic. I got a very good vibe as soon as I stepped in. It is very close to the Duomo (in fact Duomo can be spotted from the amazing balcony in the apartment). Room was cozy. Washroom was nice and clean.
Piero is indeed a superhost. Very proactive communication and clear instructions. Answered all my questions. He was extremely accommodating too when I asked for a 4 am checkout!