Display screen or portion thereof with a graphical user interface

Description

FIG. 1 is a front view of an image in a sequence of a display screen or portion thereof with a graphical user interface of our new design.

FIG. 2 is a front view of a second image thereof;

FIG. 3 is a front view of a third image thereof;

FIG. 4 is a front view of a fourth image thereof; and,

FIG. 5 is a front view of a fifth image thereof.

The dashed broken line perimeter in the drawings illustrates a display screen or portion thereof and forms no part of the claimed design.

The remaining dashed broken lines in the drawings illustrate portions of the graphical user interface that form no part of the claimed design.

The appearance of the image transitions sequentially between the images shown in FIGS. 1 to 5.

Claims

The ornamental design for a display screen or portion thereof with a graphical user interface as shown and described.