COMSTOCK, John Lee (1789-1858) The History of Precious Metals from the Earliest Periods to the Present Time. Hartford: Belknap and Hamersley, 1849.8vo (183 x 112 mm). (Some light spotting.) Contemporary green half morocco (worn, joints starting, spine chipped with loss). FIRST EDITION. Comstock's survey appeared at the beginning of the California Gold Rush, adding to its appeal to a broader audience. RARE: according to online records, only 4 copies of this work have appeared at auction in the last 50 years. Sabin 15074.