The ornamental design for a tag and buttoncombination, as shown and described.
FIG. 1 is a top plan view of a tag and button combination showing my new design showing the tag in an engaged state with respect to the button;
FIG. 2 is a top and side perspective view thereof showing the tag exploded from the button ready for insertion thereon;
FIG. 3 is a top plan view of the tag removed from the button, the rear view being a mirror image thereof;
FIG. 4 is a top and side perspective view of the tag removed from the button; and,
FIG. 5 is a side elevation view thereof.
The broken lines of FIGS. 1-5 are for illustrative purposes only to show an exemplary environment of the button and an exemplary peripheral border of the tag and an indicia area on the tag and form no part of the claimed design.