Published 1994. Two-volume set in slip-case: Chadour, Anna Beatriz Ringe. Die Alice und Louis Koch Sammlung. Vierzig Jahrhunderte durch vier Generationen gesehen / Rings. The Alice and Louis Koch Collection. Forty Centuries seen by Four Generations, published by Maney, Leeds, England; with Vorwort/preface by Baron Hans Heinrich Thyssen-Bornemisza; German main text and English translation, German catalogue with English summary to each catalogue entry; eight colour plates with enlarged views, 1980 catalogue entries each with two colour photographs (side and plan); introductory essay and biographical notes; 663 pages, clothbound. 5.6 kg total, 36 x 26 x 6cm (14 1/4 x 10 1/4 x 2 1/2"). The Koch Collection of rings is among the most extensive and comprehensive in the world, second only to that of the British Museum, London. This publication offers a wide-ranging study of the evolution of ring shapes and designs, as well as their dating. [2] As new condition.