The ornamental design for a samplingdish, as shown and described.
FIG. 1 is a perspective view of a sampling dish showing my new design;
FIG. 2 is a view from above of the sampling dish of FIG. 1;
FIG. 3 is a view from a first side of the sampling dish of FIG. 1;
FIG. 4 is a view from a second side of the sampling dish of FIG. 1;
FIG. 5 is a view from the front of the sampling dish of FIG. 1;
FIG. 6 is a view from the back of the sampling dish of FIG. 1; and,
FIG. 7 is a view from the bottom of the sampling dish of FIG. 1.
The broken disclosure connecting the sides of the separated sampling dish components shown in FIG. 1 are included to show the order of assembly. All other broken lines in the drawing views are included for the purpose of illustrating portions of the of sampling dish that form no part of the claimed design.