Watch List notes:

Foreign Coins, France [Convention]/German States, Siege of Mainz [Mayence], bronze 5 sols, 1793, fasces topped with Liberty cap, rev. MONOYE DE SIEGE DE MAYENCE, value; 2 sols, 1793, similar (KM.603, 602; Gad.67, 65), first very fine, second better (2)
Second ex cgp.fr Auction 48, 28 Apr 2011, lot 423
Europe in Revolution (1789-1814). A Collection of European Coins from the time of Revolution
(120-160 GBP)