Featured in this lot is this original Tombstone, Arizona Schieffelin Hall Mexican Opera Troupe advertisement circa 1890 to 1910 and was displayed at the tombstone Western Heritage Museum; Provenance: From the Tombstone Western Heritage Museum in Tombstone, Arizona. The card advertisement would have been used for advertisement of the Mexican Opera Troupe at Schieffelin Hall an Iconic historical location in Tombstone Arizona during the Time of the Shootout at the O.K. Corral. The card reads on the front as follows: Grand Testimonial benefit - Tendered to the Mexican Opera Troupe at Schieffelin Hall, Tuesday Evening, September 18. Schieffelin Hall, constructed in 1881 by Albert Schieffelin—brother of Tombstone founder Ed Schieffelin—and William Harwood, stands as a testament to the cultural aspirations of the burgeoning mining town of Tombstone, Arizona. Designed as a premier opera house, theater, and community gathering space, it was the largest and most elaborate theater between El Paso, Texas, and San Francisco, California, at the time, accommodating up to 575 patrons. The adobe structure, notable for its 16-inch-thick walls, remains the largest standing adobe building in the southwestern United States. Throughout its history, Schieffelin Hall has served various roles, including hosting theatrical performances, city council meetings, and Masonic lodge gatherings. Despite suffering damage from a significant fire in 1882 and subsequent periods of neglect, the hall underwent restorations and was placed on the National Register of Historic Places in 1966 . Today, it continues to be a central venue for cultural and civic events in Tombstone. The condition of this Schieffelin Hall opera card shows a large tear in the right bottom corner of the card and some fading to the coloration. The measurements of this card is 1 7/8" x 3 3/8". TTD74