[2020] Possible fraud at the gaijin shop?

Hello

Im not exactly sure what you are referring to here as both vehicles shown and described in the pack are exactly what you get and both are premium vehicles:

https://wiki.warthunder.com/Ki-44-I_34

https://wiki.warthunder.com/Chi-He_(5th_Regiment)

There is no fruad or deception here at all. Its fully clear what you get in the pack: