The letters "SGI" stamped on the back of an engine typically stand for "Sequential Gas Injection." This refers to a type of fuel injection system used in internal combustion engines where fuel is injected into the intake manifold or combustion chamber in a specific sequence for optimal performance and efficiency. It's commonly associated with performance-oriented engines, particularly in sports cars.
The letters RSG stamped on a ring means that the ring was preassembled. Any gems in the ring that is stamped RSG have not been certified.
What does the TM mean
s.a.m
Marks stamped on a ring may tell you the manufacturer as well as the composition and metal quality.
if they are the no.'s on a pad in front of the left head, they are the engine no.
I don’t know
"STERLING" stamped on a ring indicates that the ring is made of sterling silver, while letters stamped on the inside of a ring could represent the manufacturer's mark, the metal purity mark, or any personalization done to the ring. It is common for jewelry pieces to have these stamps for identification and quality assurance purposes.
I think it means large? Maybe.
NoTting
what does LXG stamped on gold mean
I have a bracelet stamped KL and was told it could be early Karl Lagerfeld. It is block letters not the usual script for his designs. Please let me know if you have found out the answer to your question.
The letters "LS" stamped inside a ring typically stand for the manufacturer or jeweler's mark, indicating the company or individual who made the ring. It could also be a quality mark, indicating the type of metal used in the ring, such as sterling silver. Additionally, LS could be the initials of the designer or the person for whom the ring was made.