Fi 10k mean?
10k emi
10K refers to the gold content of the ring and in this case, 10 karat gold. PSCO refers to Plainville Stock Company in Plainville, Massachusetts (MA); website: http://www.plainvillestock.com/whois.html
"10k" on a ring means that the ring is made of 10 karat gold. "psco" is likely the manufacturer's mark or the brand name of the jewelry manufacturer. It is common for jewelry to have markings indicating the metal purity and manufacturer.
10K refers to the gold content of the ring and in this case, 10 karat gold. PSCO refers to Plainville Stock Company in Plainville, Massachusetts (MA); website: http://www.plainvillestock.com/whois.html
10k is the gold and AA is the clarity of the Stones.
10 carat gold made by plainville stock company.
PSCO is the hallmark of the Plainville Stock Company, making jewelry pieces since the late 1800s. If it's marked 10K, it's that purity of real gold. You may have a valuable vintage piece of "costume" jewelry depending on its style and condition.
gold and silver fools
What is F9 stamp
Usually this stamp appears after 10K and means it is gold plated and not solid 10k gold. means W ith B onded gold.
Rolled Gold over Brass