Archives International Auctions - Auction 112 6th & 7th April 2026

Archives International Auctions - Sale 112 123 April 6-7, 2026 Archives International Auctions www.archivesinternational.com Colorado Territory 629 629 ColoradoTerritory. Boston andChicagoGoldMiningCo., 1865, I/U Stock Certificate. Colorado Territory....., (Incorporated in Massachusetts), 1865. 100 Shares, I/U Capital Stock Certificate, Brown printing with title at top and arms at center, 25 cent revenue stamp at left side, S/N 160, Mine VF to XF condition. The Boston and Chicago Gold Mining Co. was among the numerous ventures organized in the mid-1860s to finance operations in the booming Central City–Black Hawk region of Colorado following the discovery of the Gregory Lode in 1859. Like many similar companies, it was promoted heavily in the East to attract outside capital, reflecting the speculative atmosphere that surrounded Colorado’s “Richest Square Mile on Earth.” Alfred Mude & Son Printers & Stationers. �� Est. $160-280 630 630 ColoradoTerritory. Brown Silver MiningCo. of Colorado, 1868, I/U Stock Certificate. Colorado Territory....., (Incorporated in Pennsylvania), 1868. 2 Shares, I/U Capital Stock Certificate, Black print with black border, Bald eagle at center under title with miner at right and mining vignette down left side, 25 cent revenue stamp at bottom left, S/N 199, VF to XF condition. J. Haehnlen Phil. The company was incorporated in the late 1860s during the silver boom in Georgetown, Clear Creek County, which was one of the richest silver camps of the period. The company’s name is often associated with the “Brown Lode” or Brown vein, which was one of the early silver discoveries in the Georgetown district. The certificate was issued in 1868, which was a peak year of speculative formation of silver mining companies in Colorado, especially in New York, and Philadelphia, as Eastern capital chased after new silver finds following the success of mines like the Terrible and Equator. �� Est. $300-600 631 631 Colorado Territory. Central Gold Mining Co., 1864, I/U Stock Certificate. Central City...., Colorado (Incorporated in New York), 1864, Central Gold Mining Co., 90 Shares Capital Stock Certificate. Black print with a black border; features the Arms of New York beneath the title, a detailed mining vignette along the left margin, and a revenue stamp at the upper right corner; serial number 219; issued and signed by C.O. Jones. The Central Gold Mining Co. operated in Central City, Colorado, a settlement founded amid the Pike’s Peak Gold Rush when John H. Gregory discovered the Gregory Lode in 1859, initiating the “Richest Square Mile on Earth” mining district. By 1864, Central City had evolved beyond its early placer mining roots into a sizable town with growing infrastructure, supplying miners and drawing sizable investment from the East. VF to XF condition. �� Est. $230-375 632 632 Colorado Territory. Corydon Mining Co., 1866, I/U Stock Certificate, Major Stock Manipulation Scam. Nevada District...., Colorado Territory, (Incorporated in New York), 1866. 100 Shares I/U Stock Certificate, Black print with black border, Company title at top with mining vignette at right and along left side, 25 cent revenue stamp at left covering part of vignette, The company was tied to Nevadaville (Gregory Gulch), Gilpin County, in the Central City–Black Hawk district. Contemporary references place a “Corydon” mine/location in the Central City mining district. The company became notorious for market manipulation in New York/ Boston. Newspapers in May to August 1867 reported the failure of a major “Corydon” stock operator (named John Leighton) and indicated the stock was to be stricken from the list over “swindling” by interested parties. S/N 734, VF to XF condition. Wm. H. Arthur. �� Est. $250-500