The first one in the bottom row is a 1789A 2 sous from French Guiana (On the northern coast of South America)
Obverse: A crown surmounts three fleur-de-lys Legend: Louis XVI . R . DE FR ET DE NAV .
Reverse: (Within a circle), 2 sous 1789 A Legend: COLONIE DE CAYENNE (with a LYRE)
I found one of these at an old tavern site that was in pretty poor shape. It took a while for me to ID it!