First edition, one of 10 copies on Hollande paper, the only large paper copies. Jansenist red morocco binding by Marius Michel, spine in five compartments, date to foot, marbled endpapers and pastedowns, red morocco frame to pastedowns with seven gilt fillets, covers preserved, all edges gilt. This copy is enriched with two autograph letters by the author of 3 and 2 pages length respectively. A fine copy in a superb binding by Marius Michel. Provenance : collection of Marius Michel with his ex libris pasted onto one of the endpapers.