Collapsible sign with magnetic attachment plates

FIG. 1 is a perspective view of a collapsible sign with magnetic attachment plates showing my new design in an extended position;

FIG. 2 is a top view thereof with the bottom view being a mirror image;

FIG. 3 is a right side elevational view thereof with the left side being a mirror image;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a perspective view showing my new design in a fully collapsed position; and,

FIG. 7 is a perspective view showing my new design in a partially collapsed position.

The broken line showing of a collegiate identifier in FIG. 5 is for illustrative purposes only and forms no part of the claimed design.