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.
The yellow gold used in jewelry is made in the same way, and the difference is only in the mixture of the additional metals used. For example, white gold has more zinc, whereas yellow gold usually contains more nickel. Regardless of what metals are added to the gold alloy, its purity is measured in the same way.For example, if a gold ring is 18 karats, this means that out of a maximum of 24 parts, 18 parts are pure gold and the rest is something else.egardless of what metals are added to the gold alloy, its purity is measured in the same way. For example, if a gold ring is 18 karats, this means that out of a maximum of 24 parts, 18 parts are pure gold and the rest is something else.