IN RE SACKITEY (DECD.); DZAMIOJA ALIAS ASHONG v. SACKITEY AND ANOTHER Wills—Execution—Proof—Acknowledgment of signature—Testator enfeebled—Legally proper to assist a weak testator to hold pen to sign will provided testator accepted it as his signature—Onus of proof shifting on defendant to prove the contrary—Mark, initials or incomplete signature of testator sufficient where so weak to sign usual signature— Need for evidence of testator's intention to do his best by writing his name.