1954. No edition stated. 45 pages. No dust jacket. Brown cloth. Separately numbered plates. From the Ars Mundi series. Pages have slight foxing, tanning and minor thumbing. Slight waviness and creasing overall. Boards have some edge wear, with moderate bumping and fraying to corners, while spine ends are slightly crushed and frayed. Rather scratched, rubbed and marked overall. Dark scratch to front. Boards heavily foxed overall.