The ornamental design for a noveltybaseball, as shown and described.
FIG. 1 is a top plan view of the novelty baseball showing my new design;
FIG. 2 is a front elevational view thereof, the broken lines showing the location of a logo being for illustrative purposes only and forming no part of the claimed design;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a rear elevational view thereof the broken lines showing the location of a logo being for illustrative purposes only and forming part of the claimed design; and,
FIG. 5 is a side view thereof, the opposite side being a mirror image thereof.