Mexico, 2001, 5 Peso, KM605, UNC, nice example, some light toning possible.
Paraguay, 1944, AU, KM20 - 1 centimo - alum/brz
Uruguay, 1969, 1000 Pesos - KM 55a - UNC bronze issue with a hint of a copper tone, nice. Exact coin imaged.
Uruguay, 2000, 10 Pesos, KM121 - UNC. Nice examples, tone can vary.