What is the hallmark for 24 carat gold?
The hallmark for 24 carat gold is "1/2 tt". This means that the gold has been worked by cutting and/or milling it into thin pieces that are less than 1/2 inch thick. What is the hallmark for a 24 carat gold watch? The hallmark for a 24 carat gold watch is that it has a ... Read more...