Featured in this lot is this Tombstone Founder Effingham Schiefflin & Alaska Prospecting Party "Imperial" cabinet Card circa 1882; Provenance: From the Tombstone Western Heritage Museum in Tombstone, Arizona. The artwork is a original "Imperial" cabinet card (The largest of the Boudiour Card family) that shows the likeness of five individuals two of which are extremely note worthy: Jack Young (identified as being apart of the Alaska Prospecting Party) - Eff. Schiefflin (Founder of Tombstone) - Charles Sauerbrey (Prominent Tombstone Business man involved in Saloon and Hospitality Industry). Edward Lawrence Schieffelin (1847–1897) was an American prospector and Indian Scout who discovered silver in the Arizona Territory, an event that led to the founding of Tombstone. This cabinet card is marked with Edouart signature. Edouart (1818-1892) was born in England and was the son of the famed silhouetist, Auguste Edouart. He was educated in England and between 1848 and 1850, he was a painter and daguerreotypist in New York City. He arrived in San Francisco in 1852 and worked as a landscape artist. By 1860, he opened a photographic studio where he was known for his watercolor photographs. In 1869 he joined David Cobb (1841-?) in a partnership in a photographic studio. The studio was located at 504 Kearny Street in San Francisco. Their partnership lasted until 1881. Cobb was active in San Francisco between 1863 and 1865, as well as between 1869 and 1889. In 1866 he worked in Grass Valley California. The condition of this Edouart Imperial Cabinet Card shows a rip or tear in the bottom right hand corner with another rip in the bottom left but still present and the frame shows a well preserved condition. The measurements of this framed cabinet card is 29 1/2" x 25 3/4" and the visible Imperial cabinet card measures 13 1/2" x 10 1/2". The collective weight of this artwork is 9lb 14oz.