This is an example of an Old Style typeface.  This logo has wedged shaped serifs and greater contrast between thick and thin strokes.

This is an example of a san serif font, Helvetica. No serifs, just clean and simple letters.

This is an example of a Modern typeface. A mix of vintage motel neon lights and different fonts. Just one with serif.

This is an example of Blackface typaface. Thick, heavy letters with serifs.

This is an example of Egyptian typeface.  It sign has thick, block-like serifs.