4Game

https://wotexpress.info/news/world-of-tanks/chto-budet-v-platnykh-novogodnikh-korobkakh-2020-v/

Apparently they can contain:

Premium tanks

1. Object 703 Option II (USSR, TT-8, premium, double-barrel gun mechanics) – a new tank, was not on sale.
2. E 75 TS ( Germany, TT-8, prem) – a new tank, was not on sale.
3. Progetto M35 mod. 46 ( Italy, ST-8, prem).
4. SU-130PM (USSR, PT-8, prem).
5. Sherman VC Firefly ( UK, CT-6, prem).
6. Pz.Kpfw. III Ausf. K ( Germany, ST-5, prem).
7. Sexton I ( Great Britain, SAU-3, prem).
8. AM 39 Gendron-Somua ( France, LT-2, prem) – a new tank, was not on sale.

​

3D styles

1. Jagdpanzer E 100 (Germany, PT-10).
2. E 100 (Germany, TT-10).
3. "Kelevra" on Object 430U (USSR, ST-10) .
4. Object 140 (USSR, ST-10).
5. T110E4 (USA, PT-10).
6. AMX 13 105 (France, LT-10).