The ornamental design for a type font, as shown and described.
FIG. 1 illustrates a new design for a type font against a dark background;
FIG. 2 illustrates the new design for a type font against an alternate light background;
FIG. 3 illustrates an enlarged view of the letters of the new design for a type font against a dark background, for clarity of illustration; and,
FIG. 4 illustrates an enlarged view of the letters of the new design for a type font against the alternate light background, for clarity of illustration.