100 Pesos

The Banco y Casa de Moneda was a provincial institution, not a national one — Buenos Aires province maintained its own monetary apparatus well into the latter half of the nineteenth century, a direct consequence of the prolonged political struggle between the province and the Argentine Confederation over fiscal control. This note was issued years after Buenos Aires finally joined the confederation but before the national banking framework fully displaced provincial issuers.

ABNC's involvement here is unsurprising; the company dominated Latin American government printing contracts throughout this period. The PS prefix in the Pick reference signals provincial status — catalogued separately from national Argentine issues precisely because the Provincia de Buenos Ayres operated with considerable monetary autonomy.