Synergy with Helpful and Improved Aid?

[Christopher Woldridge]

Setup:
Helpful - halfling race trait "Whenever you successfully perform an aid another action, you grant your ally a +4 bonus instead of the normal +2.

Improved Aid - Pathfinder Chronicler class ability "a Pathfinder chronicler using the aid another action grants a +4 bonus, rather than the normal +2.

Question: Do the two work together to grant a +6 bonus? Or is it just a case of, so sorry you get the same thing twice?

[The black raven]

RAW, I would say get the same thing twice. Because as soon as you get one, you do not have "the normal +2" anymore and thus the second ability has nothing to use as its base.

Similar to how you cannot stack archetypes which change or replace the same class feature.

[Cheapy]

Afraid not.

The question gets interesting when you throw the Order of the Dragon into the equation. I think that they get the bonus to Aid Another, but its wording is something like + 1 bonus to Aid Another, from 2 to 3.

I think that stacks with the above.