No person shall paint, mark or write on or post, or otherwise affix or attach any hand-bill or sign to or on any land belonging to this City fronting on the Pacific Ocean or upon any tideland or submerged lands granted to this City by the State or heretofore or hereafter acquired by this City by annexation or consolidation.
Provided, however, that nothing in this section contained shall be deemed or construed to prohibit any person lawfully occupying any portion of any tideland or submerged land by virtue of any lease or permit from placing upon such portion thereof advertising or advertisements pertaining exclusively to the business conducted or maintained upon such portion thereof pursuant to said lease or permit.