cover 300r Bister (75), well-centered, used on 1884 folded cover to Cidade da Lappa, tied by 'PASSO FUNDO' double circle handstamp in purple, 'Porto Alegre' circular transit adjacent, several backstamps, tiny trivial cover stain, the cover has been refolded to enhance its appearance, otherwise very fine, the 300r franking represents a triple internal rate est.