As you may know, there is a buff you get on all your alts once a toon is valor capped for the week called "Valor of the Ancients" that increases your Valor Points earned by 50%.
Normally this buff is lost every reset (on Wednesday/Tuesday) on all toons, and you have to cap Valor Points again to have it.
Today (after reset on EU), by accident, I logged in on an alt to check mail first and I still had the buff.
After I logged on on my main, I still had it!
Proof:
This will not allow you to get more VPs or anything, you will just be able to cap it faster on your main!
So, clear instructions:
1. If your main had capped VPs the previous week, you had a buff on you called "Valor of the Ancients"
2. After the weekly reset, instead of logging on your main toon, log on an alt
3. Log on your main toon
4. Keep Valor of the Ancients!
5. PROFIT!