The ornamental design for a dominoesgamebettingchip, as shown and described.
FIG. 1 is a top plan view of a dominoes game betting chip showing my new design, it being understood that the bottom plan view is identical;
FIG. 2 is a right side elevational view thereof, taken in the direction of arrow 2 in FIG. 4, it being understood that the left side elevational view is identical;
FIG. 3 is a front side elevational view thereof, taken in the direction of arrow 3 in FIG. 4, it being understood that the rear side elevational view is identical; and,
FIG. 4 is a second top plan view, illustrating my new design, thereof.
It is to be understood that any portion of any figure shown in broken lines are for environmental purposes only and form no part of the claimed design.