Communion Token. Scotland, Dumfriesshire, Lockerbie, obverse; AC above LOC, reverse; M above GM above date 1747, lead, square, 17mm x 17mm, average 5.55g, Burzinski-469, VG, some surface corrosion.
Reference, Lester M. Burzinski, Communion Tokens of the World , 1999.
More thank one available. item may duffer slightly from illustration.