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The ornamental design for a gemstone, as shown and described. |
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FIG. 1 is a top plan view of a gemstone showing my new design;
FIG. 2 is a side elevational view;
FIG. 3 is a perspective view;
FIG. 4 is a top plan view of a gemstone showing a second embodiment of my new design;
FIG. 5 is a side elevational view of FIG. 4;
FIG. 6 is a perspective view of FIG. 4;
FIG. 7 is a side elevational view of a gemstone showing a third embodiment of my new design, all side elevational views being the same;
FIG. 8 is a top plan view of a gemstone showing a fourth embodiment of my new design;
FIG. 9 is a side elevational view of FIG. 8;
FIG. 10 is an end view of FIG. 9; and,
FIG. 11 is a top plan view of FIG. 7.
Siman-Tov, Avraham, Slowinski, Christopher
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