The mausoleum of Kaykaus I, left unfinished at the time of his death (d. 1219), and contained within the courtyard of the Alaeddin Camii. The tomb is octagonal and constructed from marble, and is known as Adsız Türbe, or the "Anonymous Mausoleum," since the names of those buried within are unknown. -MA
"Alaeddin Mosque." Wikipedia. Wikimedia Foundation, https://en.wikipedia.org/wiki/Al%C3%A2eddin_Mosque
Photograph created August 1963. Photograph processed September 1963. Formerly catalogued as B42.034, N.039, AQ.017. Notes written on the slide or index: Konya, Ala al-Tin, Citadel.