Admission is always free Directions
Open today: 10:00 to 5:00
Reader Mode

Copy-and-paste citation text:

Sarah Greenough, “Alfred Stieglitz/Equivalent X1/1927,” Alfred Stieglitz Key Set, NGA Online Editions, (accessed June 27, 2019).


Export as PDF

Export from an object page includes entry, notes, images, and all menu items except overview and related contents.
Export from an artist page includes image if available, biography, notes, and bibliography.
Note: Exhibition history, provenance, and bibliography are subject to change as new information becomes available.


No archived versions currently available

You may download complete editions of this catalog from the catalog’s home page.

Key Set Entry

Related Key Set Photographs

  • Alfred Stieglitz
    probably 1927
    gelatin silver print
    Key Set Number 1218
  • Alfred Stieglitz
    probably 1927
    gelatin silver print
    Key Set Number 1219
  • Alfred Stieglitz
    Equivalent X2
    gelatin silver print
    Key Set Number 1221
  • Alfred Stieglitz
    Equivalent X3
    gelatin silver print
    Key Set Number 1222


The dates for this photograph and Key Set numbers 1221 and 1222 are based on similarities to Key Set numbers 1216 and 1217. The type of photographic paper is also consistent with that of other prints dated 1927.

Other Collections

A print corresponding with this photograph can also be found in the following collection(s):

Philadelphia Museum of Art, 1983-204-6 (inscribed: To Mr. Norman / Alfred Stieglitz / April 13 / 29 / P.1927 / N.19[?])


by Alfred Stieglitz, on mount, center right verso, in graphite: X1 [1 in subscript]

by Georgia O'Keeffe, on mount, upper left verso, in graphite: 154C; lower right verso: 154C


Georgia O'Keeffe; gift to NGA, 1949.

Greenough, Sarah. Alfred Stieglitz: The Key Set: The Alfred Stieglitz Collection of Photographs. Washington, 2002: vol. 2, cat. 1220.
Related Content