This group promotes the use of a Great Seal;
http://embark.to/sovereign-without-subject
On the site click on Documents and then scroll down to Seals for examples. The number in the center of some of the examples is a birth year from the Hebrew calendar.
A Great Seal is to have the same effect as a notary or two witnesses.
Attached is a generic Common Law Abatement using one's Great Seal and a seal of a de jure judicial district.