I didn’t know until eventually I took him to my vet the breed has hip challenges that's a fault. That possibly why he was neutered. Numerous have refined white markings on their own faces and undersides. Mitted Ragdoll cats have white "snowshoe" ft and should also have white markings elsewhere. https://rafaelvelum.blogpostie.com/57457874/not-known-details-about-russian-blue