1854 Lorenz question / ID problem

Hi all, I've got what I think is a model 1854 type 1 Lorenz....needing a couple pieces -- a front band/nosecap and the middle band. While searching for those pieces, I want to make sure I'm looking for the right model. Every m54 Lorenz I see online has the middle band in a completely different place, much much closer to the front band than on mine. Also, the band retaining spring for the middle band seems to be pointing in the opposite direction on mine. It could be a completely bubba'd stock but I doubt it. Any ideas? Is there a different model Lorenz that I'm missing and, more importantly, does it take the same bands as the model 1854?

Pix of mine then stock internet photos of a regular 1854 for comparison...

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