500 escudos De Gama, Inde

This is a fantasy or commemorative polymer piece, not an authorized Banco de Portugal issue — Portugal adopted the euro in 2002 and has issued no escudo-denominated banknotes since. The "De Gama, Inde" designation evokes Vasco da Gama's 1498 sea route to India, a subject that appeared on genuine Portuguese escudo notes of the 20th century, but nothing about this item's authorization or issuing context suggests it carries any legal tender status in any jurisdiction.

Franck Medina is a French designer known for producing private fantasy notes and specimen-style pieces on polymer substrate. The transparent window is a real security feature technology, here applied to what is essentially a collector's novelty.