Tombstone Novelty balloon

FIG. 1 is a front perspective view of the tombstone novelty balloon;

FIG. 2 is a top view of the tombstone novelty balloon shown in FIG. 1;

FIG. 3 is a right side view of the tombstone novelty balloon shown in FIG. 1 (with the left side view being identical);

FIG. 4 is a front plan view of the tombstone novelty balloon shown in FIG. 1 (with the rear plan view being identical); and,

FIG. 5 is a bottom view of the tombstone novelty balloon shown in FIG. 1.

The text in broken lines in FIG. 1 is for exemplary purposes only, and forms no part of the claimed ornamental design.