Heraclite - Mieux vaut cacher sa deraison. 1987. Portfolio with 5 aquatint etchings,of which four with color fond, title sheet, imprint and text sheets, published by Editions F. B., Paris 1987. Each signed and numbered. Once more numbered in imprint. One of 90 copies. On firm wove paper. Up to 34,9 x 24,7 cm (13,7 x 9,7 in). Sheet: each 56 x 45,5 cm (22 x 17,9 in). Printed by Lacourière et Frélaut, Paris. Text printed by H. Hofer, Gentilly. The accompanying text is composed of twelve fragments by Heraklit. Loose sheets in original cloth case. The complete set. [KP]. Particularly nice portfolio in Hartung's characteristic style.