Charleston slave badge from 1815 for Mechanic No. 56 named Robert Cheevers

This is a square metal slave badge set on point with clipped corners. On the recto is text that reads ”CHARLESTON [stamped]” across the top. Under that is “No. [stamped] 56 [punched] / MECHANIC [stamped] / 1815 [stamped].” On the verso is inscribed “Robt Cheever / 251 E. Bay.” There is also a stamped cartouche at the right of center with the maker's name “LAFAR.” There is a hole punched at the center top.