This is a glass plate negative of a statue of Ganapati, the famous elephant headed deity. This appears to be a form of his specific to Tibetan Buddhism, though other versions are revered in many other sects, as well as in Hindusim and Jainism. Features 6 arms, 4 legs, and 3 heads, surrounded by a flamng aureole.
You are all set!
Your first Culture Weekly will arrive this week.