Below is the image of a Jiroft horseman bearing a short lance.  This is of interest as the Jiroft civilization dates back to the early Bronze age period (approximately in the 3rd millenium BC).

Jiroft horseman with short lance (Source: Mehr News).

See also Jiroft: The Forgotten Civilizational Legacy of Ancient Iran-جیرفت زادگاهی از تمدن جهان