I would take this:
Over this:
All day. Some gauges can be small and thus hard to notice, but all nose septum pierces are obvious and super ugly. (I'm not talking about the women's beauty, purely gauge vs septum piercing)
Both of these are the more subtle of the two, but that's kinda my point even the most subtle septum piercing is super noticeable and distracting and smack dab in the middle of someone's face and thus not very inconspicuous.