This is a shirt from the Neapolitan brand UGO COLELLA. Although it seems they are no longer available in Japan, UGO COLELLA is a Neapolitan shirt brand founded in 1955. DESIREE NAPOLI is also a brand from the same manufacturer. For some reason, URLs cannot be included on Mercari, but you can Google it to see what level of brand it is. It rivals Neapolitan brands like Barba and Luigi Borrelli. It's a valuable brand these days. Neck size is 15 and 3/4. It's a 40, so it's about a Medium-Large. It's a good shirt with sturdy fabric. Made in Italy made in italy