| http://www.w3.org/ns/prov#value | - For instance, there is a disclaimer that ???[g]old orders under 3 troy ounces are purchased outright, based on average after melt weight loss and karat purity.??? What that means is if you send in an 18K ring, they discount it to 70% purity (less than the 75% you see on the internet for the purity of 18K gold).
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