1871 20c Blue error of colour, fine mint, scarce. Photo on Page 132. (Image1)

1871-1963 Mint and used collection on pages with additional stamps including 1873 4r (2) and 1p used, 1878 1p mint vertical pair with lower margin variety imperforate horizontal between stamps and between lower stamp and margin, 1881 2c error centre inverted mint, 1897 Central American Exhibition 150c used, 1911 5p error centre inverted mint (2) and used block of four, many surcharge and overprint varieties, Specimen overprints, etc. (100s). Photo on Page 132. (Image1)