0 Euro - Diego

EuroSouvenir's zero-denomination collector notes occupy a peculiar commercial niche — legal face value of nothing, yet produced by Oberthur Fiduciaire to the same security printing standards applied to circulating currency. The program launched in 2015 and expanded rapidly through tourist sites, museums, and cultural attractions across Europe, with each note tied to a specific issuing venue or theme.

"Diego" almost certainly references Diego Velázquez, Frida Kahlo's husband Diego Rivera, or a regional Spanish or Latin American cultural figure — without confirmed attribution from the issuer, the name alone tells us nothing useful.