Yeah, that makes sense since the other form I've seen either diamond or carbide tip would be farther up the tech tree as it where. But considering how common custom glazing was back in those days, it makes a lot of sense that a very effective and cheap tool would also be that old.
@Guy McVer The wheel cutter style tools that I've seen/had either come with several blades on a central hub for moving a new one into use, or they are cheap enough to be disposable. You need a reasonably hard steel, which we know could be done back then, but even then there was no thought to sharpen. This was probably a salesman's tool for occasional use, and from the look of that rivet, someone skilled could replace that wheel with little trouble. I'd hazard a guess that it is from right on the cusp of "disposable for some/ repairable for others" If I had to throw down a dollar, sounds really close to the 1920's to me, obviously euro styling with the church key and cork-screw, I think the scales might hold some clues as the material specifics might at least give an "earliest possible" date. I doubt a working tool like that would be natural mother of pearl, but I'm well outside my expertise on that, just to day that straights from that time with pearl handles were very high dollar, the sets I've seen have been matched sets, sometimes monogrammed, but the celluloid ones after are not as high grade, although then you get into celluloid degradation, and I know tortoise is really bad, false ivory is better, but not sure how much false pearl ever was or still is, it may not have been that popular to begin with? The speculation is very deep at this point, and I'm honestly too lazy to go look stuff up.
