Gaston d'Orléans, conspirateur et prince charmant

First edition, a Service de Presse (advance) copy.
Inscribed by the author to monsieur Parias: "A monsieur Parias, dont la revue sert bien l'Histoire, dans l'espoir que Gaston d'Orléans saura lui plaire." ["To monsieur Parias, whose review serves History well, in the hope that Gaston d'Orléans will please him."]
Minor marginal worming to front cover, complete with publisher's wraparound band and publisher's slip.