The ornamental design for a gravityfeeddisplay, as shown and described.
FIG. 1 is a front perspective view of the gravity feed display embodying our new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a left side elevation view thereof;
FIG. 5 is a right side elevation view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The broken line showing of gravity feed display is included for the purpose of illustrating portions of the “article” and forms no part of the claimed design.