Archives International Auctions - Auction 110 January 20, 2026

Archives International Auctions - Sale 110 96 January 20, 2026 Archives International Auctions www.archivesinternational.com Colorado Territory 442 442 CO. United States Silver Mining Co. of Denver City, Colorado, 1870, Unissued Bond. Denver City, Colorado Territory...., 1870. $1000 U/U 7% Gold Bond, Black print with green border and gold/bronze underprint, Bald Eagle at center under title with woman at left and mining scene at right, Certificate is in Good to Fine condition. Issued in Denver City during the Colorado Territorial period, this rare $1,000 gold bond represents one of the earliest forms of mining finance in the region. High-denomination gold-interest bonds were seldom issued by mining companies, making this an uncommon survivor from 1870. Although the Silver Mining Company of Denver City does not appear as a major producer, the bond reflects the ambitious capital-raising efforts of early territorial mining ventures and stands as a scarce example of pre-statehood Colorado financial history. ���������������������������������������������������������� Est. $100-200 443 443 CO. Chenango Silver Mining Co. of Colorado, 1869, I/U Stock Certificate. Colorado Territory, (Incorporated in Oxford, NY), 1869. 40 Shares, I/U Capital Stock Certificate, Black print with black border, Miners at center under title, 25 cent revenue stamp at left side, S/N 133, VF to XF condition. Moss & Co. ���������� Est. $120-180 Colorado Territory 444 444 CO. Colorado Territory National Silver Mining Company of Baltimore City, 1869, I/U Stock Certificate. Colorado Territory...., (Inc. in Maryland), 1869. 10 Shares I/U Stock Certificate, Black print with black border and green underprint, Image of the capital building at center under company title, S/N 215, VF to XF condition, J. F. Gedney Washington D.C. Issued in 1869 during the Colorado Territorial period, this Maryland-incorporated company reflects one of the earliest waves of eastern capital flowing into Colorado’s undeveloped silver prospects. Although not recorded as a producing operation, its pre-statehood date, high-grade engraving, and ambitious territorial-wide charter make it a scarce and historically significant example of early western mining finance. ��������������������������������������������������������������������������������� Est. $140-280 445 445 CO. Montrose Gold Co., 1864, I/U Stock Certificate. Colorado Territory, (Inc in New York), 1864. 50 Shares I/U Stock Certificate, Black print with black border, Mining vignette under title at center with 25 cent revenue stamp at bottom left corner, S/N 146, VF to XF condition. Henry Seibert & Bros. Issued in 1867 during the earliest phase of Colorado’s mining development, this New York–organized company represents one of the first waves of eastern investment syndicates purchasing mining ground in the Rockies after the Civil War. While no producing operation is documented under its name, certificates from this pre-1870 period are scarce and capture the pioneer era of Colorado gold speculation. ���������������������������������������������������������������������������� Est. $90-180 446 446 CO. Sterling City Gold and Silver Mining andTunnelling Co., 1864, I/U Stock Certificate. Colorado Territory (Inc. in New York), 1864. 300 Shares Capital Stock Certificate, Black print with black border and scenic mining vignette at top under title, 25 cent revenue stamp at right, S/N 32, VF to XF condition with minor stains. R.C. Root Anthoy & Co. Issued in 1864 during the earliest phase of organized Colorado mining development, this New York–based tunneling company reflects the first wave of eastern capital flowing into the territory after the Pikes Peak gold discoveries. While not documented as a producing operation, its Civil War tax stamp, early territorial-era date, and tunneling-company structure make it an unusually scarce and historically important example of Colorado’s pioneer mining finance. ����������������������������������������������������� Est. $130-260