Signed book: Sternstunden der Menschheit: Funf historische Miniaturen. Leipzig: Infel, 1940. Hardcover, 5 x 7.25, 77 pages. Signed in purple ink on the first free end page. Uniform block of toning to signed page and front and rear pastedown, foxing to fore-edges, light wear, subtle surface loss and fading to covers and spine, otherwise fine condition. RRAuction COA.