8. *If you are unclear about what Vermeil is, the definition according to FTC regulation is: An industry product may be described or marked as "vermeil" if it consists of a base of sterling silver coated or plated on all significant surfaces with gold, or gold alloy of not less than 10 karat fineness, that is of substantial thickness and a minimum thickness throughout equivalent to two and one half (2 ½) microns (or approximately 100/1,000,000ths of an inch) of fine gold.
9. Plated Base Metals/Gold-Filled Metal: Base metals that are plated with a precious metal do not need to be stamped.
10. Example: Gold-Plated Copper = no-metal-stamp; Silver-Plated Base = no-metal-stamp
11. Example: The product description can say 10k, but it needs to say "with 10k ear wires."