I really like a couple of the rings and will use them when i get to distinction 5 but they do feel pointless. Practically no one really cares about distinction rings 1, 2, 3 and 4, it's all about the 5th one, ironically the rewards aren't all that distinctive enough to even notice if someone has them outside of maybe the order of souls distinct 5 glow.
For me they should have been curses or outfits that progressed more extravagantly with each distinction, like let's say the reapers for an example:
Distinct 1 gets you a curse where your body is developing the skeleton curse, one of your hands is now bone
Distinct 2 sees it progress to where your entire arm is now bone
Distinct 3 sees it progress to the other hand
Distinct 4 sees it progress to both arms are entirely bones
Distinct 5 sees your legs turn to bone too
It's only the limbs so it's not the same as the hourglass one and it doesn't have any of the customisation the hourglass one does, it would merely block out wearing gloves and boots, you could instantly know that person has a reapers distinction and you could immediately tell the difference between an hourglass skeleton and a reapers bones distinction. If the clothing was actually an issue you could even have it that the distinction also gave a specific outfit that had to be used while displaying the curse at each stage or even just recolours at each distinction.
Gold hoarders could see a curse that could be similar but with jewels encrusted into the skin or acted like the midas touch where everything they held/interacted with was gold while holding/interacting with it
Order of souls could see a curse that had runes etched into the skin maybe some light black smoke emanating from them
Merchants could see a curse that was different, it's hard to give a thematical curse to merchants but you could have a "useful" curse where a clock with the time and date etched into their arm that functions like a real pocket watch, a functional compass etched into their backs and stuff, basically all useful navigational stuff literally etched into your body but you can't really make use of it since you can't see it, cursed to be another crewmates navigational tools. Could even have it just be completely opposite of what is true time / direction, north was south on compass 12 was 6 on clock etc
Athenas could see a curse identical to the reapers only it's ghosts instead of bone
Hunters call could see a curse that develops scales over the body
Or you could have had more jewellery like say an amulet that grew more impressive with each distinction, or scars and tattoos that were clearly tied to certain factions, pretty much any cosmetic could work really.
Stuff that would actually stand out and you could look at someone with a quick glance and say, they have x distinction, instead of practically never noticing someone wearing some rings.