Display Screen Having an Icon

FIG. 1 is a front view of a display screen having an icon according to a first embodiment.

FIG. 2 is a front view of a display screen having an icon according to a second embodiment.

FIG. 3 is another view of the icon of FIG. 1 shown in an example environment.

FIG. 4 is another view of the icon of FIG. 2 shown in an example environment.

FIG. 5 is another view of the icon of FIG. 1 shown in another example environment; and,

FIG. 6 is another view of the icon of FIG. 2 shown in another example environment.

The broken lines showing a display screen, electronic devices, and graphic elements form no part of the claimed design. The icon may be displayed on a display of a computer, a mobile phone, a tablet computing device, a display panel, a computer monitor, a television, a kiosk, or other electronic device.