FIG. 1 is a top view of a collar bib of the present invention around the neck of a person, showing the new, original, and ornamental design;
FIG. 2 is a top view of a collar bib of the present invention, showing the new, original, and ornamental design;
FIG. 3 is a bottom view of a collar bib of the present invention, showing the new, original, and ornamental design;
FIG. 4 is a front view of a collar bib of the present invention, showing the new, original, and ornamental design;
FIG. 5 is a rear view of a collar bib of the present invention, showing the new, original, and ornamental design.
FIG. 6 is a left side elevation view of a collar bib of the present invention, showing the new, original, and ornamental design; and,
FIG. 7 is a right side elevation view of a collar bib of the present invention, showing the new, original, and ornamental design.
The broken lines are for environmental purposes only and form no part of the claimed design.