Cambo Sliding Back For Digital Adapter

Cambo Sliding Back For Digital
I am not familiar with Cambo gear nor Digital backs, however from observations and recent research, the following is what I have ascertained about this sliding back.
The unit is branded with the Cambo logo and the ground glass portion says super Cambo. Also the plate that mounts to the camera is that of a Cambo/Calumet 4x5 mount.
The sliding back weighs in at 42.9 ounces. By the feel of materials and the craftmanship, I would be willing to guess that this was one of the first sliding backs for digital adapters.
The sliding mechanism slides well, however there are no detents or any locking mechanisms.  The ground glass has a few marks on the film side, which may be able to be be cleaned.  The glass has a 6cm square marking and within there is a penciled vertical rectangle measuring 24mm in width and 35mm in height. 
The right hand side of the unit has a 4x5 Graflok assembly. I tested it , just to make sure by locking an old Graphic Film Pack Adapter under the sliders. The film pack adapter was held in place enough to confirm that this was a standard International Graflok assembly.
This led me to taking focal plane measurements and I discovered that the ground glass plane is approximately 3-4 mm further back than the darkslide of the film pack adapter. Based on this measurement I have to assume that the the Graflok side is not for typical roll film 4x5 Graflok film backs.
The major markings on the ground glass measure a true 6cm square which is larger than an actual 6x6 exposure on 120 film. Upon further research, I saw that many sliding backs take an adapter plate on the right side which in turn, holds the actual Digital Sensor unit.  Take a look at the KapturGroup site.
I acquired this unit to attempt an adaption to Toyo, however I believe it to be better used for its intentions.
I will be more than happy to answer any question or to provide further photographs. Also any further info would be greatly appreciated.
Payment & Shipping
Payment must be rendered by PayPal within 12 hours of auction end.  Shipping will be provided via USPS Priority Mail, Domestic and International.
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Returns
Returns are allowed for up to 14 days from receipt of the sliding back.

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