1 Peso Moneda Boliviana

The Banco de Londres y Río de La Plata was a British-owned institution operating throughout Argentina and Uruguay in the 1860s, issuing provincially designated notes from branches in Buenos Aires, Rosario, Córdoba, and elsewhere — each branch's notes technically valid only in its locality under Argentine provincial banking law of the period. The Rosario branch served a city that had only recently emerged as a major commercial hub following the opening of the Central Argentine Railway in 1863, and demand for circulating paper was genuine and immediate.

The "Moneda Boliviana" denomination is the detail that rewards attention: it pegs the note's value to Bolivian silver coinage rather than Argentine provincial currency, reflecting the heavy cross-border commodity trade moving through Rosario along the Paraná river corridor at the time.