Lot 40029 – 1865 Rivadavia Proofs and Reprints

1863 unadopted imperf Essays with imperf 5c red and 10c and 15c blue singles large part o.g. plus blocks of four of 5c (2), 10c and 15c (2, one creased) unused without gum, perforated 5c large part o.g., Adopted types with set of three imperf in issued colours, 5c in unissued green colour in marginal imperf strips of three unused, various 5c red shades imperf including block of four, 1920s London black proofs in marginal pairs and blocks of four unused; fair to fine condition