1859 691 Broadway, New York, New York.
George P. Morse was recorded in one advertisement that appeared on September 9, 1859 in The New York Herald (New York, New York). Photograph Gallery For Sale—Large, And well located; only up one flight of stairs; five year lease, with or with out specimens and apparatus; is between Brady and Gurney’s, 691 Broadway. A fine locality for bon ton business. Inquire of George P. Morse, on the premises.
George P. Morse is recorded in Craig’s Daguerreian Registry as George D. Morse in 1860 at 691 Broadway. This is the same address as Silas A. Holmes.
 691 Broadway is Silas A. Holmes address, he also uses the term “bon ton” in his advertisements.