The ornamental design for a credenza top, as shown and described.
FIG. 1 is an isometric view of the credenza top of the present invention as a whole.
FIG. 2 is a top view of the credenza top of the present invention in plan.
FIG. 3 is a side view of the credenza top of the present invention; and,
FIG. 4 is a side view of the left edge of the credenza top of the present invention.
The credenza top has a top with a specifically designed geometric shape with straight edges on three (3) sides and a curved and straight profiled edge on the fourth side.