"State of...................... . ss.
County of.................... ..
Acknowledged by............................... . to be a voluntary act and deed, before me (here state the official character of the person before whom the acknowledgment is made) this............... . day of..................... .,...... .
Witness my hand and seal."
Justices of the peace of this State need only sign their name, there being no seal of office.
12 Del. C. § 2320