The ornamental design for a dauber, as shown and described.
FIG. 1 is a front, top and right side perspective view of a dauber showing my new design;
FIG. 2 is a right side elevational view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a front elevational view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is a front, bottom and right side perspective view thereof.
The broken lines shown in the drawings depict portions of the dauber that form no part of the claimed design.
The dauber is shown with a symbolic break in its length. The appearance of any portion of the article between the break lines forms no part of the claimed design.