Looking for Polaroid pack film holder

I have been looking for either Polaroid 550 or Fuji PA-45 pack film holder for a while now. I would like to get a second hand one that is in reasonably good shape for reasonable amount of money. I have been bidding on both on eBay, but keep getting overbid, no matter ow far I'm willing to go. I could go and buy the Fuji PA-45 new for about 200$, but would like to save some money also.

If anyone happens to have one and are willing to part with it I would be very interested.

Polaroid 550 image by Polapix