Watch List notes:

GERMANY, Aachen (City). AR Groschen (25mm, 1.74 g, 7h). Aachen mint. Dated 1421 (in spelled-out and Roman numerals). Crowned half-length facing bust of Charlemagne, holding model of cathedral and globus cruciger / Short cross pattée. Levinson I-16; Frey 19; Menadier 118. Toned, slightly weak strike and wavy flan. Near VF. Clear date.

From the W. R. K. Great Lakes Collection of Early Dated Coins.