Please be as specific as possible when letting us know what is missing or incorrect. For example, say "this game's trophy difficulty should be 8/10", with a link to a website corroborating this difficulty estimate (if possible), not "this game's trophy difficulty is wrong".
SdKfz 140/1 tank (Rank 1 Germany); He 112 B-1/U-2 fighter (Rank 1 Germany); 120000 Silver Lions; Premium Account for 7 days.
All premium vehicles allow you to earn increased Research Points and Silver Lions for each battle and comes furnished with all available modifications.
With a Premium account (also purchasable in the game for Golden Eagles) you will earn more Research Points and Silver Lions during each battle for a set amount of days. This is cumulative with bonuses from premium vehicles!