Victoria 1 is to Victoria 2 what V3 base is to the complete V3 package (Base plus Morphs paks). Basically the Victoria 2 upgrade was just a new CR2 with (a lot) more morphs than the original V1 CR2. It used the same Mesh. They added a new default face morph too. V3 use a different mesh grouped and jointed in a different way > no morph compatibility with previous versions.