If there is a + and - at the ends of the arrow as well, it's a DC supply pictogram (8volt)
The U with the arrow is the hallmark for Uncas, it is a jeweler established in 1911.
ADDED::
the 8 is the size
The "10k RJ" etched in a ring would usually refer to the fact that it is 10-karat gold, with "RJ" probably being the maker's or manufacturer's mark. 10-karat gold contains an alloy of 41.7% pure gold, mixed with other metals for strength.
Have a ring RJ 8 marked inside. The 8 refers to ring size. Am searching RJ myself.
Korea = Country of Origin or what country the ring is from. 8 = Ring Size
The inscription "COP 89 8" stamped inside a ring typically indicates the ring's material and its size or origin. "COP" may refer to copper or a type of alloy, while "89" could denote the year of manufacture (1989) or a specific design or model number. The "8" likely represents the ring size. For precise identification, it may be helpful to consult a jeweler or refer to specific jewelry marks.
From what I understand some jewelers stamped in the ring size!
If the ring is gold, it means it is either 8 or 9 karat gold.
The NV in your ring means that your ring was made from the Nevada Silver Mines which in turns mean that your ring is Sterling Silver. The next letters you are referring to is au which is the periodic symbol for Gold meaning thet your ring is in fact real gold.
In archery, if an arrow lands between the red and yellow rings on the target, it typically scores 8 points. The red ring generally scores 5 or 6 points, while the yellow ring scores 9 or 10 points, depending on the specific target used. Therefore, if an arrow is positioned between these two rings, it is usually assigned a score of 8.
The "8 NY" stamped on a ring typically indicates the ring's size and where it was made. The "8" signifies the ring size, which corresponds to a specific measurement for finger fit, while "NY" suggests that the ring was manufactured in New York. This marking can help identify the origin and sizing for potential buyers or jewelers.
I have NV and 8 stamped inside my 3 joined rings and they're bronze, silver and gold in colour, someone told me it stand for either Nevada Silver or the ring size for countries such as Australia.
The marking "925" inside a ring indicates that the ring is made of sterling silver, which is an alloy containing 92.5% silver and 7.5% other metals. The marking "8nv" is not a standard hallmark and could potentially be a manufacturer's mark or a custom engraving. It's always best to consult with a jeweler or appraiser for a more accurate assessment of the specific markings on your ring.
The engraving "n 925 8" on a silver ring typically indicates the metal's purity and possibly its size. The "925" signifies that the ring is made of sterling silver, which is composed of 92.5% silver and 7.5% other metals, usually copper. The "n" could refer to a specific design or brand, while the "8" likely denotes the ring size.