Portrait of an emperor mounted on a white horse and carrying a lance. c.17thC

Bodleian Library, University of Oxford. Manuscript Ouseley Add. 173, folio 27v. [Source & descriptions links now dead]
Description: Portrait of an emperor mounted on a white horse and carrying a lance. [caption title] No. 27. Muhammed Shah [caption from ms. introduction].

Note the red coloured (henna) legs of the horse, see also the Persian use of this in the Battle of Chaldiran fresco at the Chehel Sotoun., a battle scene from the Tarikh-i jahanara., Maijnun and an Old Woman Approach the Tent of Laila & page 034 of Dr. Kaempfer's Album of Persian Costumes and Animals