Hammerstein's Victoria

Hammerstein's Victoria Theater and Roof Garden, northwest corner of 42nd Street and 7th Avenue in Manhattan, showing signs announcing "Gertrude Hoffmann in Maude Allan's A Vision of Salome".
An uncropped version of this photograph is at the website of the Museum of the City of New York, ID: 93.1.1.20361. The site's zoom feature (click the magnifying glass icon) shows a sign at left center (Lyric Theatre) urging, "See The Mimic World at Casino".
The Mimic World played the Casino July 9-September 26, 1908. Hoffmann danced Salome at the Victoria July 13-September 26, 1908 (and joined The Mimic World at the Grand Opera House on September 28).
Sources

"Casino Theatre", Internet Broadway Database website
"Summer Amusement Attractions", The New York Times (Sunday, July 5, 1908)
"A 'Salome' Dance by Miss Hoffmann'", The New York Times (July 14, 1908)
"At Other Theatres. Grand Opera House", The New York Times (September 27, 1908)