10 vols by HENRY JAMES 

published by HERON in the 1970/80s I assume - no publication date

in matching blue and gold bindings - please check out the photos, they are of the actual books

the volumes included in this set are:

THE WINGS OF THE DOVE
THE PORTRAIT OF A LADY
THE EUROPEANS
THE ASPERN PAPERS, THE TURN OF THE SCREW and THE SPOILS OF POYNTON
THE PRINCESS CASAMASSIMA

THE AMERICAN
THE BOSTONIANS
THE AMBASSADORS
WASHINGTON SQUARE, THE PENSION BEAURPAS, A BUNDLE OF LETTERS
RODERICK HUDSON