>>Emil Flues [not Ithaca] marked Serial No. 1 Note Flues patent removable rib.<<

[Linked Image from img.photobucket.com]

[Linked Image from img.photobucket.com]

[Linked Image from img.photobucket.com]

I found a few more images....

https://www.doublegunshop.com/forums/ubbthreads.php?ubb=showflat&Number=190843&page=2

Serbus,

Raimey
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