THE NEW YORK TIMES, New York, September 6, 1866

* Jay Cooke & his banking house
* Financier of the Civil War
* Wall Street Panic of 1873 fame

Page 6 of this newspaper contains an advertisement for the: "Banking House of Jay Cooke & Co." with a few more details (see). Other high profile financier ads as well. (see)
The life of Jay Cooke and his considerable influence in banking & business in the last half of the 19th century can be read at this website.
Complete in 8 pages, various news of the day with other ads as well, good condition.

Background: This September 6, 1866 issue of The New York Times serves as a poignant artifact of Gilded Age economic expansion, capturing the Banking House of Jay Cooke & Co. at the absolute zenith of its postwar influence. Having just cemented his legacy as the "Financier of the Civil War" by pioneering mass-marketed patriotic war bonds that saved the Union from bankruptcy, Cooke's prominent advertisement on page 6 alongside other elite financial houses illustrates the booming confidence of an industrializing nation. However, the true historical significance of this specific publication lies in its dramatic, unintended irony: the very banking house advertised here as a pillar of American stability would, just seven years later, overextend itself on the construction of the Northern Pacific Railway. When Jay Cooke & Co. abruptly collapsed on September 18, 1873, it shattered public confidence and triggered the infamous Panic of 1873—a catastrophic financial meltdown that shuttered the New York Stock Exchange and plunged the nation into a brutal, six-year economic depression. Consequently, this 1866 newspaper stands as a vital historical window into the volatile cycle of American capitalism, encapsulating both the monumental financial machinery that funded the Civil War and the fragile foundations that led to one of Wall Street's most devastating crashes.