Is it real gold
Marks stamped on a ring may tell you the manufacturer as well as the composition and metal quality.
When "8545" is stamped on jewelry, it typically indicates the metal purity or composition of the piece. In this case, "8545" likely refers to the metal alloy used, such as sterling silver or a specific karat of gold. It is important to note that the exact meaning can vary depending on the jeweler or manufacturer, so it is recommended to consult with a professional jeweler for a precise identification.
"NG14K" stamped on a charm most likely indicates that the charm is made of 14 karat gold and was manufactured by a company with the initials "NG". The "14K" signifies the gold content, which is 58.5% pure gold mixed with other metal alloys for durability.
I don’t know
As the Common Metal Marks Stamped Inside Rings, TI=Titanium
A charm stamped "C C O 10k" indicates that it is made of 10 karat gold. The "C C O" may be the manufacturer's mark or initials. The charm is likely made of a gold alloy containing 10 parts of gold and 14 parts of other metals.
Sterling stamped on any item is .925 silver and .075 other base metal.
The GF stands for Gold Filled, as for PPG it's probably the company that gold came from
82.5% gold /silver what ever the metal is
That number indicates the fineness or purity of the metal content. 900 means the coin is 90% of that metal.
It is the purity of that metal. which means if you melt your metal you get 72.5% pure of that metal. Just like 916 for gold and 925 for silver.
IR10k stamped on a ring typically means that the ring is made of a metal called iridium and is 10 karat gold. It indicates the composition of the metal used in the ring.