The whole internet collaborated and couldn’t find what this is. I’m not sure what this is, 50% of people don’t know too… The answer is in the link in the first comment…

Now, you might be thinking, “Why bother with this ancient can opener when there are sleek, modern ones available?” Fair point. But here’s the thing – there’s something uniquely satisfying about using a piece of history in your kitchen. It’s like tapping into the wisdom of the past, one can at a time.

So, if you happen to stumble upon this vintage can opener at a yard sale or tucked away in the back of a kitchen drawer, don’t dismiss it too quickly. Give it a try, join the ranks of the curious, and embrace the simplicity of opening cans the old-fashioned way. It might be a mystery, but sometimes, the best solutions are the ones that have stood the test of time!