If you're interested in other artifacts, you might also be interested in Fiestaware, some colors of which had U in the glaze until the mid forties. Here's one from my collection, moderately active. For comparison, background is about 0.2 µSv/hour.
And then there's the Revigator. I have no idea how many people died from this thing.
https://orau.org/health-physics-museum/collection/radioactiv...