Once your existing FNB Visa Cheque Card or Credit Card expires, you are issued with a renewal card. on which your Verified by Visa details have automatically been updated. You do not need to re-. activate Verified by Visa on your renewal card.
The 875 stamp stand for purity of the gold. 24kt gold is 100% pure gold,23kt gold is 95.8% pure,22kt gold is 91.60% pure and 21kt gold is 87.50% pure. This purity is obtained â¦ when you calculate (24kt/ 21kt) * 100 = 87.50%.11 people found this useful.hat is the meaning 916 kdm in gold?  KDM: Gold Jewelry from some places is / was marked with a KDM stamp  which means that the Jewelry was soldered with Cadmium.
In the U.S., solid gold jewelry is marked with the purity and the hallmark (trademark) of the maker. So, for example, my wedding ring is marked 14K FG which means it is 14 karat gold, made by Frederick Goldman, Inc.The maker's hallmark can usually be found by searching the US Patent and Trademark Office's trademark database (but the search will probably be tedious).here is, however, an exception, and that is that GF is the standard abbreviation for gold filled which means it is a cheaper metal core coated with gold on the outside. In other words, it is not solid gold.