The product is a vintage textbook titled “Physical Properties of Diamond” by R. Berman, published by Oxford University Press in 1965. It falls under the subject area of gemology and is written in English. This book serves as a valuable resource for those studying or interested in the properties of diamonds, providing detailed information on their physical characteristics and attributes. With its vintage charm and expert authorship, this book is a must-have for any gemstone enthusiast or student of gemology. This book is vintage and the cover is in rough shape. Please look at the photos.