The provisions of this article shall not prohibit enactment, amendment, or enforcement by any city, county, or city and county of any local ordinance relating to a secondhand dealer or coin dealer which is not inconsistent with the provisions of this article, except that no city, county, or city and county, or any other state agency shall adopt the following:
(a) Holding, reporting, or identification requirements for transactions involving coins, monetized bullion, or commercial grade ingots of gold, silver, or other precious metals.
(b) Identification, holding, or reporting requirements for the acquisition of tangible personal property, in the ordinary course of business, by pawnbrokers and secondhand dealers, other than as set forth in Sections 21628, 21630, 21633, and 21636 of this code, and commencing July 1, 2010, Section 21628.2 of this code, and Section 21208 of the Financial Code.