The ornamental design for a headportion of a shovel, as shown and described.
FIG. 1 is a top perspective view of a head portion of a shovel in accordance with the present invention, with the broken lines showing subject matter which forms no part of the claimed design;
FIG. 2 is an enlarged top perspective view of the head portion of the shovel as shown in FIG. 1, with the broken lines showing subject matter which forms no part of the claimed design;
FIG. 3 is a top plan view of the head portion of a shovel of FIG. 2, with the broken lines showing subject matter which forms no part of the claimed design;
FIG. 4 is a bottom plan view of the head portion of a shovel of FIG. 2, with the broken lines showing subject matter which forms no part of the claimed design;
FIG. 5 is a right side elevation view of the head portion of a shovel of FIG. 2, with the broken lines showing subject matter which forms no part of the claimed design;
FIG. 6 is a left side elevation view of the head portion of a shovel of FIG. 2, with the broken lines showing subject matter which forms no part of the claimed design;
FIG. 7 is a rear elevation view of the head portion of a shovel of FIG. 2, with the broken lines showing subject matter which forms no part of the claimed design; and,
FIG. 8 is a front elevation view of the head portion of a shovel of FIG. 2, with the broken lines showing subject matter which forms no part of the claimed design.