First edition, hardback, original blue cloth gilt case with disbound pages as originally issued, [10] + xii + 91 pages + 15 loose plates + 5 line blocks, some foxing to margins of a few pages, first section of pages trimmed by 1-2cm at top, slight vertical central crease to pages, some ink annotations to some pages, ink titles to the plates, some wear, creases and toning to margins of the five sheets of line blocks, 10cm split along spine – a complete disbound copy of the book, which might benefit from rebinding, in Fair to Good condition.