I'm curious, does anyone have any knowledge of the timeframe occupied by ring-hilted spathae in period? I am NOT referring to ring-pommeled Migration-Era swords, but of swords that have a ring for their pommel. As best as I can ascertain, this is a Sarmatian style and first appears around the late 2nd century AD, but do we have an end date? Thanks!
See example:

Thanks!