Watch List notes:

COLOGNE (CITY): uniface 4 heller (10.30g), 1768, as KM-440, as Noss-642, uniface white metal reverse, with "63." crudely engraved on blank obverse, approximately quadruple thickness, apparently for use in Cologne Mint display, flan flaw at 11:00, prominent die crack, AU.

Estimate: 50-75 USD