London: Printed for W. Strahan; and T. Cadell, 1777-78, 1777. First Edition. Full Leather. Very Good Plus.. Quarto. Six volumes: all First Editions except volume I, the Third Edition. Large quarto. Pp. vi, [14], 704; [12], 640, [2] errata leaf; [12], 640, [2] errata leaf; [4], viii, [8], 620; [12], 684; [14], 646, [51] index, [1] errata. Engraved frontis portrait of Gibbon by John Hall after Joshua Reynolds, 3 folding maps. With half-titles in all volumes except volume I, and all errata leaves. Contemporary polished calf, recently rebacked, with gilt rules between raised bands, and original lettering pieces laid down. Minor scratches to covers, corners and edges moderately worn, very occasional toning and spotting to leaves, early signature on margin of title of volume I, later bookplates in all volumes. Overall, an excellent set, clean and crisp internally, in suitably restored bindings. This set is comprised of First Editions of all volumes, except for the first volume, which is…