Watch List notes:

GERMANY / FEDERAL REPUBLIC: 500 Deutsche Mark (1.8.1991) in red-violet and blue on multicolor unpt with Maria Sibylla Merian at right. S/N: "AA 4670869 NO". WMK: Maria Sibylla Merian and value. Printed by Bundesdruckerei (without imprint). (Pick 43a) & (Spink DB B28a). Fine plus.