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.
As with other metals, Platinum is commonly mixed with other metals. However, for a piece of jewelry to be labeled as platinum it must have a minimum level of purity of at least 95% pure platinum. A purity level of less than 95% would require the metal be identified as a Platinum alloy. Ferrous metal is one that contains Iron, while a non-ferrous metal does not. Since these forms of metals tend to rust, most jewelry is created with non-ferrous metals. Normally, most jewelry is made from non-ferrous metals with the exception of steel jewelry.