1 1/2 Pesos = 12 Reales Plata Boliviana

Banco Provincial de Santa Fé operated out of Rosario rather than the provincial capital, reflecting that city's growing commercial dominance as a grain and cattle export hub in the 1870s. The fractional denomination — 1½ Pesos expressed as 12 Reales Plata Boliviana — is a direct artifact of the monetary chaos that plagued the Río de la Plata region for decades, where Bolivian silver reales, Argentine pesos, and provincial currencies circulated simultaneously with no fixed equivalence enforced at the national level.

Argentina's 1875 banking crisis hit several provincial institutions hard, and notes from this period often had severely shortened circulation windows before the issuing banks suspended payments or were absorbed.