“The seal must be affixed by a seal press or stamp that embosses or prints a seal that legibly reproduces the required elements of the seal under photographic methods. An indelible ink pad must be used for affixing by a stamp the impression of a seal...” The seal may be a circular... or of a rectangular seal...and must have a serrated or milled edge boarder and the words “Notary Public State of Texas” must appear around the five-pointed star.”
Source: GC 406.013