The following definition shall apply to this chapter:
A person in the business of purchasing, offering to purchase, swapping, offering to swap, accepting for consignment, selling, offering to sell, hypothecating or otherwise dealing in or trading used or secondhand gold, silver or other precious metals, used or secondhand precious gems and jewelry including, but not limited to, articles made therefrom, coins, with or without numismatic value, used jewelry of all descriptions, sterling silver, silver plate, semiprecious gems or watches, other than as a consumer buying the same in a normal commercial manner or as an incidental seller of such items so acquired.