Something out of a Nightmare (Speedy Edition)

I was recently perusing a social media platform and came across a seller in Vietnam who sells fake parts and refinishes dials. Some of the stuff I’ve seen him post is scary good. He posted the photo below and I started taking a closer look. Among the many rolex caseback dies, I spy a die that looks like it replicates the stampings for a 105.012-65 HF case. Anyone come across a fake case or caseback? Maybe something to keep on our radar.