GN X181 Hutchinson caboose

[ragnar]

I purchased a Oriental X181 Caboose a number of years ago had it custom painted and lettered,now find it may be excess equipment as its a diesel era caboose and i never really bothered to run it ... I'm strickly a steam era guy.
Question is , anyone have a idea as to its value? saw one on ebay that sold for close to $500....is that realistic? Have not seen one on the market since and to my knowledge there was just the one run of them.....so maybe that is close to it value.....just wondering.