1972 (edge stamp), France, Africa. RENÉ CAILLIÉ, EXPLORER, VOYAGE TO TIMBUKTU. By Raymond Corbin (1907–2002). Bronze, 72mm. $100

Raymond Corbin was born at Rochefort on April 23, 1907. He studied under Henry Dropsy at the École Nationale Supérieure des Beaux-Arts and succeeded him as professor of medal engraving in 1955. Corbin had a distinguished career, which included creating many medals and designing two commemorative coins for the French Mint. He won various honors. He died at Boulogne-Billancourt on March 1, 2002.