Sorry to cross post
but I there was a post from someone who had purchased a 1966 large beads 3rd party graded Canada silver dollar ( recognized in fact it was small beads cracked the case and had it re graded ...came back as small beads )
I mentioned it to a (more serious collector ) and he offered the opinion that the grader may be liable for missing the variety by the original submitter ....opinions ple
ASE