Can anyone tell me the rarity of this card?

[John Pen.]

Here is a card, that I've had for some time, protesting the French occupation(using Africans from the colonies) of the Ruhr region between 1923 and 1925.

I have seen two medallions and one other postcard on the same theme, but I have never seen this card.

I know there are some very knowledgeable card enthusiasts here so I was hoping that some one could tell me more about this card and it's rarity.

Thank-you very much.
John

[John Pen.]

I thought it would be interesting for some to see two medals from the same period.
(these medals are not mine).
Jp