The Cingana mask depicts here one of the Gipsies who were seen going around in Venice, offering - for a small fee - to "read your hand" or "predict your future".
It was common all around Europe in those times, and it still is.
This masked man makes fun of it, but very likely it may not be for teasing only ... it may have been done for scrounging money out of simpleton non-married girls.
Two interesting cultural elements to be noted here:
