SASS16 has 3 one piece miniatures with the lance held in an upright position.
These will do for a whole range of Eastern warriors of the period e.g. Early Turks, White Huns, Khurasani, Ephthalites and late Saka warriors. They will fit perfectly into a late Sassanian army representing one of the Eastern units raised from what was a vassal state run bu Turkish nobles and minor Iranian nobility of dihqans. Many Turks were now also living in eastern Iran and serving as mercenaries.