Lot 30019 – 1930 airmails specialised accumulation, with an incredible amount of rare items incl. inverted center

Collection: 1930 airmails specialised accumulation, with an incredible amount of rare items such as C1 with inverted centre (pen-cancelled) and imperf. C6 mint left marginal single and mint n.h. lower margin inscriptional block of four both with inverted centres (to our knowledge the only one known of this rarity of which only 25 were printed!). Large range of imperforate stamps, most in units and some proofs, die proofs. Also better common stamps with C13 unused pair (certificate Rendon) and as a mint n.h. single. The rare Platanillos 30c red on 5c green (less than 10 known) in used with Rendon certificate and unused with gum (reading up). The varieties with an incredible range including tête-bêche pairs, pairs with and without overprints, double and inverted overprints. Collected over a long period and untouched to give the specialist the opportunity to start on the highest level.