Possibly 3 Deumer dies if the one at right is good (or even a Deumer piece). Specimen at right is unmarked and appears to be made of nickel-silver instead of tombac. Compared to the piece at left (like Robert's) the head is different which could just be hand finishing but body is smaller and thicker which seems to point at a different die
The inner wing feathers seem a little different as well, but it could just be lighting. You have the benefit of having them both in hand to really compare the differences if any.
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