Classification of Venetian masks:
Number 5
COLOMBINA
Colombina can be literally translated as “little-dove” and is a character of the Commedia dell’Arte. In the Italian Comedy of Art, every mask is linked to a character and Colombina plays the role of a maidservant and mischievous scheming soubrette. She is witty and down-to-earth and often interacts with other masks.
For instance, in the Commedia dell’Arte theatre, Colombina is often at the center of amorous advances of male characters such as Pantalone or Il Capitano, but thanks to her cunning and agility she can always manage the situation to her advantage.
The half-mask, is usually adorned in a variety of jewels, feathers and fabrics and is often painted in silver or gold and held in place by a ribbon or stick and that mainly covers the wearer’s eyes, nose and upper cheeks
Resource: 
https://www.veneziamaschere.com/meaning-and-history-of-the-colombina-mask/
Picture from: deviantart