I bought this one in 2009 through eBay as resale part of an early Revolution Studios Hellboy original props lot. I think it belongs to a pre-production prototype rather than to a fully finished screen used prop. Sooner or later I will check the working conditions of the servos by connecting them to my 4 channel remote control device. Because of the total lack of details on the generic Revolution Studios COA that accompanied the original lot, if anyone has additional info about this item please send me a message.
