Stamp: Overprint in black "CORREOS" and postal emblem (Uruguay(Overprint in black "CORREOS" and postal emblem) Mi:UY 693,Sn:UY 549,Yt:UY 595A,Sg:UY 923,Cia:UY 595Aa
CORREOS LAUNCHES 'PROTEST STAMPS', STAMPS FEATURING THE VOICES OF A GENERATION AGAINST CLIMATE CHANGE - Correos