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Samuel Leopold Keller (1862-1946), was born on June 10, 1862, at New York City, the son of Franco-German immigrants, Leopold Keller (1833-), a butcher, and his wife Adell Litt (1837-). His parents immigrated to America in the 1850's.

On June 12, 1889, he married Jacqueline Deleon (1863-1936), at Charleston, South Carolina. They had a daughter Agnes (1891-1941)

He became the manager of E. S. Dean Company, 35 Broadway, New York, a bucket shop enterprise, closed by the United States Post Office in 1897 for fraud. The company was suspected of swindling $5 million USD. It was considered the greatest swindle ever perpetrated. The company promised a capital return on investment of 100 to 400 per cent through secret insider stock manipulation.

He lived at 3800 Broadway, New York City, New York.

On December 8, 1908, Samuel L. Keller incorporated the Money and Stamp Brokerage, 150 Nassau Street, New York.

Fig. Keller published the Money and Stamp Manual in paperback and hardbound editions 1909. The company lasted one year since Keller was forced into bankruptcy from his previous dealings with E. S. Dean Company. Courtesy Lupia Numismatic Library. For sale.

In January 1910, Samuel L. Keller filed bankruptcy.

He became a member of Kinstler & Company, Beechhurst, Queens, Long Island, New York.

The 1925 New York Census lists him residing at 16th Avenue and 31st Street, New York.

In the 1930 U. S. Census he is listed as a salesman living at 10-09 157th Street, New York..

On June 8, 1936, Jacqueline Deleon Keller died at Beechhurst, Long Island, New York.

He died on June 27, 1946 at Sacramento, California.

Bibliography :

New York Times, Wednesday, January 5, 1910, page 4

New York Times, Sunday, January 9, 1910, page 39

New York City Directory, 1918, page 1099

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