This uncirculated 500 Argentinian austral banknote is a replacement banknote introduced by the Central Bank of Argentina in 1988. It is a purple note that bears the signatures of E. Salama and Jose Luis Machinea, and measures 155 mm x 65 mm. Its obverse side features the 8th president of Argentina, Nicolas Avellaneda. Its reverse side depicts Progreso (seated Liberty) holding a torch and the national coat of arms. Though the note does not have a security thread, it has a watermark that shows Progreso. The details of the banknote have been verified and TAP Authenticated by Banknote World experts.