Well, Thonon-les-Bains (Thonon-the-Baths) is a town in France. As best as I can make out, ohonon is a Welsh word. None of online dictionaries will translate it though.

The pattern I would like to see is what Beretta called Japanese.

If you have on the early Beretta guns, 1900-ish or earlier, please do post an image.

Pete