MARSH, RICHARD. Marvels and Mysteries * The Seen and the Unseen. Together, 2 volumes. 8vo, publisher's cloth, spines tanned and bumped at head including small puncture to first, scattered soiling, bumped corners, surface abrasions to cover of first title; adhesive residue to pastedown from removed booklabel on first title, rear hinges starting; preserved in individual custom cloth drop-back cases (LMS booklabels). first editions. Publisher's ads (dated February and August, 1900, respectively) at end. London: Methuen & Co., 1900