OKB Grigorov released its ninth 1/72 scale kit on the series of this planned British heavy assault tank designs. During the latter years of WWII, eighteen (18) tank designs were proposed by Nuffield Mechanizations and Aero Limited -- with each subsequent design being heavier than its previous.
This is partial text from the full article (usually with photos) at https://armorama.com/news/okb-grigorov-nuffield-a-t--13