Zhukov's March

Metalsand, on Nov 30 2012 - 20:31, said: Yeah they did it for all tanks, since shells were so ridiculously cheap for silver.  The benefit though, is if you've stocked up on shells for tanks you don't really play, because you can now sell them at a massive profit of up to 25%.
Also, isn't Zhukov's march sale ongoing right now?  The IS still costs 700k...