Unknown Maker's Mark--Large Copper Casserole / Dutch Oven (Matfer?)

[jljohn]

Hi all,

I picked up a large (11") copper casserole/dutch oven this week via CL, and I don't recognize the maker's mark. I've seen it a number of times, and I seem to recall being told once that it was Matfer. But, I can't find it over at the Old Copper website and I can't find any examples of it via google. Does anyone here recognize it? See photos below for the pot and its mark.

Thanks!

Jeremy