The ornamental design for an ashtray, as shown and described.
FIG. 1 is a perspective view of the front side of the ash tray, with the top end towards the left.
FIG. 2 is a frontal view of the ash tray of FIG. 1.
FIG. 3 is a top end view of the ash tray of FIG. 2.
FIG. 4 is a lower end view of the ash tray of FIG. 2.
FIG. 5 is a left side view of the ash tray of FIG. 2.
FIG. 6 is a right side view of the ash tray of FIG. 2; and,
FIG. 7 is a rear view of the ash tray of FIG. 2.
The ornamental design for an ash tray configured to be mounted vertically, such as against a wall. Advertising materials can be placed behind and displayed through a transparent front panel. The hinges shown in FIGS. 5 and 7 are not visible from the other perspectives shown.