Edition, one of the first issue numbered copies to the press. Binding half morocco pine green, back with five nerves, marbled paper plates, guards and almond green paper contreplats, preserved covers (blankets filled with small angular gaps), gilded head, signed Thomas Boichot binding. Rare and beautiful autograph signed by Gaston Leroux: "To my best friend Gaston Stiegler memories full of affection and gratitude for home dedication and tribute full of admiration for his talent If you are not happy with that my colon. ... " Slightly brittle paper with tiny gaps in the margins of some leaves. Precious and rare xemplaire nicely established.