Archives International Auctions - Auction 111 February 17, 2026

Archives International Auctions - Sale 111 79 February 17, 2026 Archives International Auctions www.archivesinternational.com 392 392 CO. Boulder Consolidated Gold and Silver Mining Co. of Colorado, 1882 I/U Stock Certificate Boulder, Colorado (Inc. in New York). 100 Shares I/U Stock Certificate, Black print on black border, Allegorical cherubs/children flanking image of men working in mine under company title, VF condition with staining and toning around margins, Franklin BNC. .................................................................. Est. $120-180 393 393 CO. Bull Hill Gold Tunnel Company, Cripple Creek, 1896, I/U Stock Certificate. Cripple Creek, Colorado, 1896. 5000 Shares Capital Stock I/U Certificate, Black print with gold border and underprint, Image of Bull Hill at center with gold embossed seal at bottom left, S/N 1165, VF to VF+ condition with staple holes and glue on back. Denver Lith. Co. ............................................................... Est. $120-180 394 394 CO. Catherine H. Gold Mining Co., 1896, I/U Stock Certificate. Cripple Creek, Colorado Springs, Colorado, 1896. 5000 Shares, I/U Stock Certificate, Brown print with gold border, Mining vignette at center under title at top, Gold seal at bottom left, S/N 94, Mines located in Cripple Creek Colorado, VF to XF condition. ................................................................................................................................... Est. $90-150 395 395 CO. Central Colorado Prospecting and Mine Developing Co., 1881, I/U Stock Certificate. Leadville, Colorado..., 1881. 130 Shares I/U Stock Certificate, Black print with black border and green underprint, Mining vignette at center under title with gold embossed seal at bottom left corner S/N 910, VF to VF+ condition. Issued at the height of the Leadville silver boom, this certificate reflects the intense speculative activity of the early 1880s when dozens of prospecting and development companies were formed to chase new carbonate-ore discoveries. Although not recorded as a producing operation, it represents the promotional mining ventures that fueled Leadville’s rapid growth and remains a desirable example of early boom-era Colorado mining finance. ....................................................................................... Est. $130-180 396 396 CO. Chieftain Consolidated Mining Company of Colorado, 1884, I/U Stock Certificate. Rosita, Colorado, 1884. 100 Shares, I/U Capital Stock Certificate, Black print with gold border and underprint, Mining scene at center under title and gold foil seal at bottom left corner, S/N 105, XF condition. .................... Est. $140-280 397 397 CO. Colorado United Claims Mining Co. ca.1880’s Specimen Stock Certificate. Colorado (Inc. in NY). Odd Shrs Specimen Stock Certificate. Black on light green border and undertint, Screaming eagle at top, Specimen overprints, Appears VF but unfortunately the lower and upper right corners have glue stains where formerly mounted on back. Hamilton BNC............................................................................ Est. $90-140