masquerade mask
A domino mask is a small and (often) rounded mask covering only the area around the eyes and the space between them. The mask has seen special prevalence since the 18th century, when it became traditional wear in particular local manifestations of Carnival, particularly with Venetian Carnival, as part of a domino costume, which included the mask and a black cloak. Domino masks have found their way into a variety of high and popular art forms.
This tag implicates mask (learn more).