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This stacking mug has an interesting pattern which is sort of a “pixelated” depiction of flowers in green, brown and orange. Unfortunately mine had a chip which I didn’t discover until I came home with it.

In-mold marking on the bottom has that “S.I” in an oval along with the word Japan. It is also ink stamped as “Cambria RS021 Japan”… I hope someday we’ll be able to figure out what all these different markings mean.