THE STOCK EXCHANGE, San Francisco, California, May 20, 1875  The top of the back page has a great map headed: "Map And Description of the Comstock Lode & Adjoining Districts, Virginia City, Nevada." 
Also, this is the volume 1, number 1 issue, the very first published.
Four pages, never bound nor trimmed, several creases, various archival mends inside do not deter readability, minor margin wear, light foxing.

Background: The May 20, 1875, premier issue (Vol. 1, No. 1) of San Francisco’s The Stock Exchange represents a monumental historical record of Western financial speculation during the height of the Comstock Lode "Big Bonanza" silver boom. Published in San Francisco—the financial nerve center of the American West—this four-page inaugural newspaper served an eager market of investors seeking critical intelligence on the immense silver and gold strikes occurring in Virginia City, Nevada. Its standout back-page feature, a detailed "Map And Description of the Comstock Lode & Adjoining Districts," provided vital visual data on mining claims, ore veins, and district infrastructure, making it an indispensable tool for stock traders during an era defined by extreme market volatility. Beyond its practical use in 1875, the survival of a volume one, number one edition carrying such a historic map makes this rare artifact an exceptional piece of Western Americana, capturing a pivotal moment when Nevada’s mineral wealth directly shaped San Francisco’s economic rise and transformed the nation's precious metals market.