1.000 Pesos

The Banco y Casa de Moneda de Buenos Ayres occupied an unusual position — it was simultaneously a bank of issue and a mint, a dual function that reflected the Argentine provinces' struggle to establish credible monetary infrastructure independent of, and often in competition with, the national government in Buenos Aires. By 1864 the institution was operating under considerable political strain, as the question of provincial versus national banking authority remained unresolved following the 1862 unification under Mitre.

PS# prefix places this firmly in the Specialized catalogue's provincial and private issues — not a national emission. At the 1,000 peso denomination, this was not everyday transactional paper.