25 Céntimos Rocallaura

Rocallaura is a tiny municipality in the Conca de Barberà comarca of Catalonia, and like hundreds of similarly small towns it resorted to printing its own fractional paper money during the Spanish Civil War after the Republic's metallic coinage effectively vanished from circulation. The Generalitat de Catalunya had authorized local emergency issues, but the quality of paper, printing, and control varied wildly — a municipal rubber stamp doing the work that a watermark or serial numbering might otherwise perform.

Turró catalogues over two thousand such local Catalan issues. The sheer number means individual municipalities are often represented by single-digit surviving quantities.