The ornamental design for a golfballmarker, as shown and described.
FIG. 1 is an exploded perspective view of the golf ball marker of the present invention;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is an end elevational view thereof;
FIG. 5 is an enlarged sectional view of the assembled ball marker taken along line 5-5 of FIG. 2;
FIG. 6 is a front perspective view of the assembled ball marker of FIG. 1; and,
FIG. 7 is a rear perspective view of the assembled ball marker shown in FIG. 6.
A golf ball marker for use by a golfer in designating the location where his golf ball is to be placed on a green when the ball is removed from that location so as not interfere with the play of others.