Feature Gems & Gemology, Fall 2011, Volume 47, No. 3

A History of Diamonds through Philately: The Frank Friedman Collection

South African jeweler Frank Friedman’s collection of diamond-themed stamps and other postal material offers an illuminating visual record of diamond history. Comprising approximately 2,000 pieces, these items chronicle diamond formation, the history of mining and manufacturing, and the evolution of a science and an industry built around this remarkable gemstone.