The ornamental design for a characterset, as shown and described.
The file of this patent contains at least one drawings/photograph executed in color. Copies of this patent with color drawing(s)/photograph(s) will be provided by the Office upon request and payment of the necessary fees.
1.-2. Ornamentations
1 is a front view of a character set showing the new design; and
2 is a front view of a further embodiment of the character set.