(DIAMONDS.) Hofer, Stephen C. Collecting and Classifying Coloured Diamonds: An Illustrated Study of the Aurora Collection. Hundreds of photographic

(DIAMONDS.) Hofer, Stephen C. Collecting and Classifying Coloured Diamonds: An Illustrated Study of the Aurora Collection. Hundreds of photographic plates by Tino Hammid; illustrations; diagrams. Thick folio, cloth; dust jacket, two tears to foot of spine panel; original board shipping box. New York, (1998)