Test Strip Reference Board

FIG. 1 is a front, plan view of the test strip reference board showing my new design. FIG. 2 is a plan view of the back thereof; FIG. 3 is a perspective view of the rear, the bottom edge, and the left side edge thereof; FIG. 4 is a bottom, elevational view thereof; FIG. 5 is a top, elevational view thereof; and, FIG. 6 is a left side, elevational view thereof. The right side, elevational view is a mirror image of the left side view. The broken lines in FIGS. 2 and 3 show portions of the article forming no part of the claimed design. The drawings are not lined to indicate particular colors.