FIG. 1 is a perspective view of a tag holder and base combination showing the present invention; FIG. 2 is a right side plan view of the tag holder and base combination; FIG. 3 is a left side plan view thereof; FIG. 4 is a front plan view thereof; FIG. 5 is a back plan view thereof; FIG. 6 is a top plan view thereof; and, FIG. 7 is a bottom plan view thereof.