Four of the cups are marked CORNING, MADE IN THE U.S.A. with the glass blower (Little Joe). One of the "Little Joe" cups has a faint chip on the rim, just above the handle.
Two of the cups are marked PYREX, Tableware by CORNING, MADE IN THE U.S.A., 701-32.
These cups are used and a couple of them have very tiny chips in the applied green stripes.
