50 Pesos Fuertes

The Banco de San Juan was one of several provincial Argentine banks chartered during the 1850s and 1860s, operating in a period when no single national currency authority existed and each province effectively managed its own paper money supply. Many of these institutions were undercapitalized from the start, and their notes traded at significant discounts outside their home provinces — sometimes worthless beyond a single valley.

PS1884 is poorly documented in the standard literature. Surviving examples are rare enough that condition census data is essentially nonexistent.