The complete set in detail

F1063
Sc. 790
Famous Persons : Scientists - Jean-Henri Fabre (1823-1915), Entomologist - 12 Fr. brown-violet and orange brown

F1064
Sc. 791
Famous Persons : Scientists - Charles Tellier (1828-1913), Physicist - 15 Fr. black and violet-noir

F1065
Sc. 792
Famous Persons : Scientists - Camille Flammarion ( 1842-1925), popular astronomy - 18 Fr. ultramarine

F1066
Sc. 793
Famous Persons : Scientists - Paul Sabatier (1854-1941), catalytic chemistry - 30 Fr. dark green and blue green