“The Board’s settled practice is not just to treat the scales as loaded against an appellant in the circumstances described above, but altogether to decline to interfere with concurrent findings of pure fact. This means, …, that an appellant seeking to mount such an appeal must first persuade the Board that the case comes within that very limited special category which justifies a departure from that practice.”
“From the available material, it has been concluded that it is probable that the questioned signature on exhibit on Q1 (the will) may not have been executed by the … specimen writer (the deceased), The evidence found, however, is by no means conclusive. The availability of additional contemporaneous specimen signatures, as well as the original of exhibit Q1 if possible, may allow for a more effective scientific examination.”