All bonds, revenue certificates, revenue bonds and tax anticipation certificates issued pursuant to the Constitution of 1885, as amended by the state, any agency, political subdivision or public corporation of the state shall remain in full force and effect and shall be secured by the same sources of revenue as before the adoption of this revision, and, to the extent necessary to effectuate this section, the applicable provisions of the Constitution of 1885, as amended, are retained as a part of this revision until payment in full of these public securities.