I suppose it is subjective, especially opinion on stableness, but I would believe that a 4bar indo would be generally considered a more"pure" indo? In which case your's isn't. Nice 3 bar maybe, looks to be a decent size too.
anyway, thanks for the bump
heres a portrait of him when we took him in at 16" ... depending on the environment you put him in, not saying better or worse as that is subjective, but he CAN be this