Accessory post

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

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

FIG. 3 is a top view of the accessory post of FIG. 1;

FIG. 4 is a back view of the accessory post of FIG. 1;

FIG. 5 is a side view of the accessory post of FIG. 1, wherein the side views are the same; and,

FIG. 6 is a bottom view of the accessory post of FIG. 1.

The broken-line disclosure in the views is for illustrative purposes only and forms no part of the claimed design.