The ornamental design for a labellermachine, as shown and described.
FIG. 1 is a perspective view of a labeller (machine) showing my new design;
FIG. 2 is a side elevational view thereof from the left of FIG. 1;
FIG. 3 is a side elevational view thereof from the right of FIG. 1;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a front elevational view thereof; and,
FIG. 7 is a rear elevational view thereof.
The broken lines showing portions of the labeller machine are included for illustrating environmental structure and form no part of the claimed design.