[GUERRE D'INDEPENDANCE] Complot d'Arnold et de Sir Henry Clinton contre les États-Unis d'Amérique et contre le général Washington. Septembre 1780

First edition, illustrated with 2 engraved portraits on separate leaves by Adam after Du Simitière (Washington and Arnold), and with 1 folding plan (forts, batteries and the post of West Point in 1780) (cf. Sabin 3302; Quérard I, 173).

Contemporary half polished brown calf, smooth spine ruled in triple gilt fillets, gilt decorative rolls at head and foot, orange calf lettering-piece, minor rubbing to spine and joints, marbled paper sides, marbled endpapers and pastedowns.

Occasional foxing, manuscript corrections in black ink on the second page of the introduction.