5 Pesos large size

The Caja de Conversión was established in 1890 in the wreckage of Argentina's financial collapse — the Baring Crisis had nearly bankrupted the country and destroyed confidence in convertible currency. These early 1900s issues were part of the institution's mandate to maintain gold-backed convertibility, a policy that held until 1914 when wartime conditions made it untenable.

Mouchon is better known internationally for his French postage stamp engravings, including the controversial 1900 Mouchon "Droits de l'Homme" definitive series. His work on Argentine banknotes for the Société Générale d'Imprimerie in the same period is considerably less documented.