We've recently released a the WW2 Japanese Type 97 Chi Ha tank

3 different variants are available:
Type 97 Chi Ha - Original version with 57mm gun
Type 97 Shinhoto Chi Ha - Improved version with 47mm gun
Type 97 Shinhoto Chi Ha 120mm - Improved version with short barrelled 120mm naval gun

6mm is £0.70
12mm is £2.50
15mm is £3.60
20mm is £7.00
28mm is £14.90

The models are available in most scales.

LINK