FIG. 1 is a perspective view of an accessory post of the new design;

FIG. 2 is a front elevational view of the accessory post of FIG. 1;

FIG. 3 is a left side elevational view of the accessory post of FIG. 1;

FIG. 4 is a right side elevational view of the accessory post of FIG. 1; and,

FIG. 5 is a top plan view of the accessory post of FIG. 1, the bottom plan view being a mirror image.

The portions of the Figures shown in broken lines are not part of the claimed design and are for illustration only.