Letter and Document Issued to N. M. Rothschild and Sons - 1863 and 1865 dated Autographs

Rothschild & Co is a multinational investment bank and financial services company, and the flagship of the Rothschild banking group controlled by the French and British branches of the Rothschild family. The banking business of the firm covers the areas of investment banking, restructuring, corporate banking, private equity, asset management, and private banking. It is also known to serve as the advisor and lender to governments and major corporations. In addition, the firm has its own investment account in private equity. Rothschild's financial advisory division is known to serve British nobility as well as the British Royal Family. Past chairman Sir Evelyn Robert de Rothschild was the personal financial advisor of Queen Elizabeth II, and she knighted him in 1989 for his services to banking and finance.

Nathan Mayer Rothschild (16 September 1777 – 28 July 1836) was an English-German banker, businessman and financier. Born in Frankfurt am Main in Germany, he was the third of the five sons of Gutle (née Schnapper) and Mayer Amschel Rothschild, and was of the second generation of the Rothschild banking dynasty. Nathan Mayer Rothschild was born on 16 September 1777 to Mayer Amschel Rothschild and Gutle Schnapper in the Frankfurt Ghetto, Free City of Frankfurt, Holy Roman Empire (what is today Germany). He was born to an Ashkenazi Jewish family. Nathan counted among his brothers; Amschel Mayer Rothschild, Salomon Mayer Rothschild, Carl Mayer Rothschild and James Mayer Rothschild. He was the third oldest son and all five brothers would go on to become close business partners spread out across Europe. Rothschild also had five sisters, including Henriette Rothschild, who married Abraham Montefiore.