Here is what I recorded from last year (NA server):
- Turtle I 9700g (didn't capture the dollar cost)
- WZ-111 $52 US
- Senlac $31 US
- Kanjpz 105 $48 / 10,650g
- ELC Even 90 #$31 US / 6500g
- Skorpion G $49 US / 10,900g
- Centuron 5/1 $34 US / 7,300g
- Somua SM $49 US / 11,000g
- M48 RPZ (Turdbuglar) $40 / 7500g
- the infamous Chrysler K $42 / 9,200g
- M 41 90 MM $32 / 6,500g
- Polish 50TP $48 / (???)
- Skoda T 27 $44 / 9,700g
- LT 432 $31 / 6,500g (in my opinion, the best bang for the buck)
- T26E5 $44 / 9,700g
- AMX 13 57 (this one is a tier 7) $25 US / 5000g (credit burning machine)
- Lorraine 40 T $48 / 10,700g
- Chinese LT Type 62 (tier 7) $24 / 4800g
- Daernarvon AX – $47 / 10,500g
- Dec 21st was 360 days of prem for $82 US / 20,400g
- Lansen C – $35 / 7,500g
- American TD TS-5 $44 / 9,800g (fun TD!)
- LT HWK 30 – $31 / 6,500
- final tank: German VK 75.01 K was $65 US and no option for gold purchase.
I may have screwed up the order at the beginning but I tried to keep things in order.
Source: https://www.reddit.com/r/WorldofTanks/comments/k86bi4/last_years_advent_calendar_tanks_for_your/