1853/1963 (ca.), Bolivia to Peru, mint never hinged/unsued and used accumulation with some covers, incl. Chilean Occupation of Peru, strength before the 1930s with plenty of material, good part of Chile starting from the Colon issues with various printings, many duplicates in the later issues, Bolivia with some Condors, Paraguay with a selection of the 1878 overprints with some multiples, etc., together with a small selection of covers and cards, some forgeries and reprints noted. Some occasional faults, especially in the early issues, overall in good condition, in one stockbook
