Public auction #37

1969, Rwanda. Progressive proofs set of sheets for the complete issue MEDICINAL PLANTS. The issue consists of 8 values and the subjects are: Camomile, Aloe, Cola, Coca, Hagenia abissinica, Cassia, Cinchona, Tephrosia. The lot contains 8 different phases for each value in complete, imperforated sheets of 30 stamps and therefore there are 1,920 stamps in all. Mint, NH. (Mi# 342/49) (M)