5 Céntimos Gironella

Gironella is a small textile-mill town in the Berguedà comarca of Catalonia, and like hundreds of Catalan and Spanish municipalities during the Civil War, its local council issued its own fractional currency in 1937 to address the near-total disappearance of coins from circulation — hoarded, melted, or simply lost in the chaos of wartime commerce. The Generalitat de Catalunya had authorized municipal emissions precisely because the Republican monetary system could not supply enough small change to keep local markets functioning.

At 52 × 33 mm, this is emergency scrip in the most literal sense — printed locally, almost certainly on whatever card stock the town printer had on hand. The official stamp is the primary guarantee of validity, which tells you something about the institutional condition of the issuing authority.