Display screen or portion thereof with icon

This disclosure is an application for reissue of U.S. Pat. No. D. 891,463, which issued on Jul. 27, 2020, which is a divisional of U.S. patent application Ser. No. 29/661,190 filed Aug. 24, 2018, the contents of both of which is are hereby incorporated by reference herein in its their entirety.

FIG. 1 is the first image in a sequence for a front view of a first embodiment of a display screen with animated an icon showing my/our new of the present design.; and

FIG. 2 is the second image thereof a front view of a second embodiment of a display screen with an icon of the present design.

The appearance of the animated icon transitions sequentially between the images shown in FIGS. 1 - 2 . The process or period in which one image transitions to another forms no part of the claimed design. The presently claimed design includes the sequence as shown, as well as any sequence that includes fewer than, or a different order of, the sequential transition of the images as shown. The broken line showings of a portion of the display screen are for environmental purposes only and to lines in the figures show a display screen or portion thereof and form no part of the claimed design.