Hi,

Here is a photo showing cavalrymen (Ryadovoi) from the "7th His Majesty King Alfonso XIII of Spain's Olviopol Lancer Regiment" ["7-i Ulanskii Ol'viopol'sk Ego Velichestva Korolya Ispanskago Al'fonsa XIII polk."] (Grubeshov) 7th Cavalry Division.

Is it possible to date this photo?

WW1 Russian Lancers photo identification (2)