So, I Guess There Were Vampires in Fairy Tale Land

Anyone watching Once Upon A Time last night catch something in the background of Rumpelstiltskin's castle? Take a look at the screencap below:

Just what is that thing on display, to the left of the framed artwork?

Does this ring any bells?

The OUAT episode was written by the brilliant Whedonverse vet Jane Espenson, so I have to think that was an intentional shout-out (much like all the Lost Easter Eggs that keep popping up).