2.500 Rupiah

This note belongs to the Seri Hewan (Animal Series), issued by Bank Indonesia during the brief constitutional democracy period before Sukarno's Guided Democracy took full hold — a politically turbulent window that affected monetary policy as much as anything else. The 1959 currency reform that followed, announced by emergency decree in August of that year, slashed the face value of high-denomination notes by 90%, effectively wiping out savings held in large bills and pulling liquidity from circulation almost overnight.

Thomas De La Rue's London production is consistent with Bank Indonesia's reliance on foreign security printers throughout the 1950s, before domestic printing capacity matured.