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TOPICALS / THEMATIQUES

586 Chemistry / Chimie Trial Color Proofs
Lot No Type Description Price
801 ESS image MALI (1983) Lavoisier*. Laboratory apparatus*. Formula for water*. Trial color proof pair. Bicentenary of Lavoisier's Water Analysis. Scott No 476, Yvert No 475.
AVAILABLE AT $40
18564 ESS image RWANDA (1972) Chemist in laboratory. Set of 8 color separations. Scott No 492. Fight against racism..
AVAILABLE AT $75
18566 ESS image RWANDA (1975) Chemist in laboratory. Set of 6 color separations. Scott No 678. 10th anniversary of Rwanda National University.
AVAILABLE AT $75

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