Classification of Venetian masks:
Number 6
ILL DOTTORE
ILL DOTTORE is a local aristocrat and/or doctor of medicine or law, or anything else he claims to know about.  His interaction in the play is usually mostly with Pantalone, either as a friend, mentor or competitor.  An extremely pompous character, he loves the sound of his own voice.
Typically depicted as an elderly man, he makes many cruel jokes about the opposite sex and believes that he knows everything about everything.  He is an obese man that enjoys eating and drinking to excess.
This mask is unique, in that it is the only one in Commedia dell’Arte, to cover only the forehead and nose.  Ill Dottore’s costume is usually black, sometimes with a white collar and he frequently wears a hat and long trailing robes.
Resource: 
https://imagesofvenice.com/history-of-venetian-masks/
picture from: italiancarnival &  wikipedia

Ty for sharing masks info my friend🤌🎭