Stop sign mailbox flag

FIG. 1 is a front perspective view of a stop sign mailbox flag of our new design, the broken lines showing an associated article which is for illustrative purposes only and which forms no part of the claimed design;

FIG. 2 is a front side elevational view of our design of the stop sign mailbox flag of FIG. 1;

FIG. 3 is a back side elevational view of our design of the stop sign mailbox flag of FIG. 1;

FIG. 4 is a side elevational view of our design of the stop sign mailbox flag of FIG. 1;

FIG. 5 is a side elevational view of our design of the stop sign mailbox flag of FIG. 1;

FIG. 6 is a top plan view of our design of the stop sign mailbox flag of FIG. 1;

FIG. 7 is a bottom plan view of our design of the stop sign mailbox flag of FIG. 1;

FIG. 8 is a front perspective view of an alternative embodiment of our design of a stop sign mail box flag;

FIG. 9 is a front side elevational view of our design of the stop sign mailbox flag of FIG. 8;

FIG. 10 is a back side elevational view of our design of the stop sign mailbox flag of FIG. 8;

FIG. 11 is a side elevational view of our design of the stop sign mailbox flag of FIG. 8;

FIG. 12 is a side elevational view of our design of the stop sign mailbox flag of FIG. 8;

FIG. 13 is a top plan view of our design of the stop sign mailbox flag of FIG. 8; and,

FIG. 14 is a bottom plan view of our design of the stop sign mailbox flag of FIG. 8.