E
Harmony. The two type faces are of similar design; one is slanted and slightly altered to obtain contrast.

F
Near-harmony. Type faces are sufficiently similar in design to blend if contrasting sizes are used.

G
Incongruous. Border has no characteristics that can be found in the italic type-face.

H
Incongruous. There is no relation in the style of these two type-faces; one has serifs, the other none.

I
Incongruous. Letters not related in design: one is condensed, the other extended.
EXAMPLE 19—Harmonious combinations, and combinations that are incongruous