what does 3 R(backwards R) K stamped on jewellery mean
If you mean: 10-2k = 4 then k = 3
The "10K" stamp on your gold ring indicates that it is made of 10 karat gold, meaning it is 41.7% pure gold. The "F" stamp likely stands for the manufacturer or the jeweler who made the ring. It is common for jewelers to include their initials or a logo on jewelry pieces to signify their brand or mark of authenticity.
A stamp is typically a mark left by a stamp or seal to indicate authenticity or ownership. The "18 k Ceres stamp in a ring" may signify that the ring is made of 18 karat gold and was made by a manufacturer named Ceres. It could also be a mark indicating the purity of the gold used in the ring.
K Gs power stamp
Manufacturer is Herff Jones and the material is 10 k gold.
What does it mean
K means karats, which is how gold is measured. The number paired with the K represents the percentage of gold in the piece. For example, a ring with 75K written in it means that the ring is 75% gold and 25% alloy.
K. F. Chapman has written: 'Stamp collecting'
S C K could either be an abbreviation of the company who made it (if it's very small and on the inside) or it could be the initials of the person who owned the anklet.
10 k jed
K. Goldschmidt Jewelers