"(Personalized Seal)" in the following examples means a seal containing the words "Notary Public, State of Texas" around a star of five points, the notary. (Personalized Seal).Use a proper heading. This article and video will show Notaries to fill out each part of a notarial certificate, and common mistakes to avoid. Given under my hand and seal of office this _____ day of ______, 20____. (Notary's Signature). Given under my hand and seal of office this ______ day of ______, 20___. (seal). Notary Public Signature. A Texas notary acknowledgment is a certificate a notary public uses to verify the signature and identity of a document's signatory.