Public auction #37

1970, Rwanda. Progressive proofs set of sheets for the issue 150th ANNIVERSARY OF THE DISCOVERY OF QUININE. The issue consists of 6 values and the subjects are Cinchona flower and bark, Quinine powder and pharmacological vessels, Anopheles mosquito, Malaria patient and nurse, Malaria (mosquito), Pelletier and Caventou. The lot contains 8 different phases for each value (except for 70fr value: 4 phases only for typographical reasons) in complete, imperforated sheets of 40 stamps and therefore there are 1,760 stamps in all. Mint, NH. (Mi#408/13) (M)