RARE SuperMac PROTOTYPE for Apple Mac PowerBook Duo Dock 230 250 270c 280c 2300c

Description

The founder of MacEffects is selling off dozens of prototypes and other rare machines to fund the development of new Apple accessories.  For an example of such accessories already produced, please view our other listings.  As such, this listing comes from his private collection and is offered for your consideration.
This listing is for a rare PROTOTYPE SuperMac PowerLink Presenter Dock.  The production units were the same PowerBook gray color.  This prototype features a transparent case.  It has the following text to denote it is not a production units "This product has not been tested for FCC EMI requirements and may cause interference to other products - This unit is not for sale" and does not feature the production stickers/markings.
This Duo Dock features: RCA Composite Video Out, Mac Video-out (DB-15), ADB, HDI-20 Floppy Port, 3.5mm audio jack, and a power in port.
Included but not shown is a disk containing the software, please note that this disk is not a production disk but just contains the software.  Also included is a VGA adapter and E-machines (SuperMac) carrying bag.