AIA Sale 112 - in 2 sessions April 6 & 7, 2026

Colorado Territory (offices in Philadelphia, Pennsylvania), 1875, The Philadelphia and Boston Gold and Silver Mining Company, $500 Bond, 7% Interest.

Colorado Territory,... 1867, 5 Shares, I/U, black print on white paper with ornate border, bold red embossed seal at lower left, vignette of an eagle

Colorado Territory, 1864. 250 Shares, Stock Certificate assignment, Black print on small check sized certificate, Company title running up left side m

Cripple Creek, Colorado. ND (1880-90s). 1000 Shares Capital Stock Certificate, Black print with black border and eagle vignette left of title , S/N 11

Leadville, Colorado, 1883. 250 Shares Capital Stock I/U Certificate, Black print with black border, Mining scene at top center with gold seal at botto

Leadville..., CO. (Inc. and Offices in New York), June 17, 1880, Amie Consolidated Mining Company, 100 Shares I/U stock certificate, S/N 1808, black t

Denver, Colorado, 1897. 100 Shares Capital Stock I/U Certificate, Black print with black border and purple underprint, Bald Eagle to left of title at

Colorado City, Colorado, 1899. 1000 Shares Capital Stock I/U Certificate, Black print with brown border and mining vignette over title, S/N 291, VF t

Colorado, 1919. $1000 Specimen 7% First and Sinking Fund Mortgage Gold Coupon Bond, Black print with green border and underprint, Mining vignette at t

Colorado Springs, Colorado, 1895. 5000 Shares Capital Stock I/U Certificate, Black print with ornate gold border and underprint, Mining camp at top ce