Surface of a concrete block

Description

FIG. 1 is a front perspective view of a surface of a concrete block according to a first embodiment of the present design;

FIG. 2 is a front view of the concrete block surface of FIG. 1;

FIG. 3 is a front perspective view of a surface of a concrete block according to a second embodiment of the present design; and,

FIG. 4 is a front view of the concrete block surface of FIG. 3.

The broken lines in the drawing views are included for the purpose of illustrating portions of the concrete block that form no part of the claimed design.

Claims

I claim the ornamental design for a surface of a concrete block, as shown and described.