Royal Philatelic Society (Great Britain) · London : The Royal Philatelic Society · leaf 191
Note this oug-ht to be '"So" and not "90 1877 to 1880. … Commonly used as a postmark, but occasionally as an oblileialing die on the green stamps. .863. ^V^ f.^. r^ '^ ^ 0; ^^' 1870. Fi^A^^cn r*..=Si ^erjy/
