The ornamental design for a mop bucketlid, as shown and described.
FIG. 1 is a perspective view of a mop bucket lid mounted on a bucket showing the new design;
FIG. 2 is a front view of the mop bucket lid as shown in FIG. 1;
FIG. 3 is a back view of the mop bucket lid as shown in FIG. 1;
FIG. 4 is a left-side view of the mop bucket lid as shown in FIG. 1;
FIG. 5 is a right-side view of the mop bucket lid as shown in FIG. 1;
FIG. 6 is a top view of the mop bucket lid as shown in FIG. 1; and,
FIG. 7 is a bottom view of the mop bucket lid removed from the bucket.
The broken lines showing the mop bucket in the appended drawings are for illustrative purposes only and form no part of the claimed design or a specified embodiment thereof.