blotting pad/pad?! (Inquiry for the pro´s)

[Filincars]

Hello,

please can you say something about this item. Is it a blotting pad. Allegedly its from a closed musem.
Is this a unikat or are there more of this pads?
Which rank does use this?
Can you tell me more about it?
Thanks a lot for your cooperation!
(Please click to enlarge the thumbnails)

[wewelsburg]

Never seen such an animal.

[CWP]

I love it.

[Arran]

Its very nice, and reminiscent in quality to Knight's Cross document cases!