The only successful bit of caligraphy the forger had done was the signature of old Mr.Brooks.
"It was a very curious fact, and one which had undoubtedly aided the forger in accomplishing his work quickly, that Mr.Wethered the lawyer having, no doubt, realized that Mr.Brooks had not many moments in life to spare, had not drawn up the usual engrossed, magnificent document dear to the lawyer heart, but had used for his client's will one of those regular printed forms which can be purchased at any stationer's.
"Mr.Percival Brooks, of course, flatly denied the serious allegation brought against him.

He admitted that the butler had brought him the document the morning after his father's death, and that he certainly, on glancing at it, had been very much astonished to see that that document was his father's will.

Against that he declared that its contents did not astonish him in the slightest degree, that he himself knew of the testator's intentions, but that he certainly thought his father had entrusted the will to the care of Mr.Wethered, who did all his business for him.
"'I only very cursorily glanced at the signature,' he concluded, speaking in a perfectly calm, clear voice; 'you must understand that the thought of forgery was very far from my mind, and that my father's signature is exceedingly well imitated, if, indeed, it is not his own, which I am not at all prepared to believe.

As for the two witnesses' signatures, I don't think I had ever seen them before.

I took the document to Messrs.