FIG. 1 is a top perspective view of a specimen cassette in a closed orientation, showing our new design;

FIG. 2 is a bottom perspective view of a specimen cassette in a closed orientation, showing our new design;

FIG. 3 is a top view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is a side view thereof, opposite that shown in FIG. 4;

FIG. 6 is a bottom view thereof;

FIG. 7 is a front view thereof;

FIG. 8 is a rear view thereof;

FIG. 9 is a cross-sectional view thereof, taken along the line of 9—9 of FIG. 3;

FIG. 10 is a plan view of a specimen cassette in an open orientation, showing the top and bottom exterior sides of our new design, on the left and right sides of the figure, respectively;

FIG. 11 is a first side view of the specimen cassette in an open orientation;

FIG. 12 is a second side view of the specimen cassette in an open orientation;

FIG. 13 is a plan view of a specimen cassette in an open orientation, showing the top and bottom interior portions of our new design, on the left and right sides of the figure, respectively;

FIG. 14 is a front view of the specimen cassette in an open orientation; and,

FIG. 15 is a rear view of the specimen cassette in an open orientation.

The broken line showing of the specimen cassette is for illustrative purposes only and forms no part of the claimed design.