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It stands for J A Main Ltd of Birmingham. Seen on bracelets and lockets between 1972 and 2001
What else can I help you with?
What does asl 375 hallmark mean?
A 375 marking is a gold marking; it indicates 9K gold. You can find this by multiplying .375 by 24 (since there are 24 karats in pure gold). Visit the link below for more details about gold markings.
Is your gold from Italy?
A jewelry appraiser can let a person know if their gold is from Italy, and the value of the gold. Most of the gold pieces from Italy have markings identifying the gold as Italian. Some common markings are 925/417/750/585/and 375 Italy.
What does 375 AG RM on gold ring mean?
The markings "375 AG RM" on a gold ring indicate that the ring is made of 9-karat gold, as "375" signifies that 375 parts per thousand are pure gold, meaning it contains 37.5% gold content. "AG" typically stands for silver in Latin (Argentum), suggesting that the ring may also contain silver. "RM" could represent the manufacturer's initials or a specific hallmark related to the brand or origin of the ring.
When was 375 first stamped on gold?
The "375" hallmark, indicating that the gold is 9 karats (which is 37.5% gold content), was first used in the UK in the 19th century. The practice of stamping gold with purity marks became more standardized with the establishment of the Gold Standards Act of 1887. However, similar purity markings have been used in various forms for gold items in different regions long before this formalization.
Does white gold and yellow gold have the same markings?
No, white gold and yellow gold have different markings. White gold is often stamped with markings such as "18k" or "14k" to indicate the purity of the gold and the alloy used, while yellow gold will have its own set of markings denoting the same information.
What do the markings on jewelry mean?
The markings on jewellery should be... a makers mark, a letter (referring to a year of assay) and a number (375 - 37.5% gold = 9ct 585 - 58.5% gold = 14ct 625 - 62.5% gold = 15ct 750 - 75.0% gold = 18ct 916 - 91.6% gold = 22ct) Plat will either be 900 (90% european/Far East) or 950 (95%) Silver is also 900 (European) or 925 (Sterling)
What is 375 in gold?
I'm not sure what you mean by "375 in gold." In the context of gold purity, "375" usually refers to a gold alloy that is 37.5% pure gold (9 karat). If you mean something else, please provide more information.
What does the number 375 mean on gold?
The 375 very well might be an indication of 9 karat gold which has 41.7% gold content.
When was Gold Jam Records created?
Gold Jam Records was created in 2000.
When did Gold Jam Records end?
Gold Jam Records ended in 2002.
What does the stamp 375 n mean on your ring?
375 is 9k gold.
What does the 375 stamped inside your ring mean?
375 is 9ct gold.
