means: metal is 10k gold, & manufacturer/maker’s mark is “SR”.
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14K SR likely means that the ring is made of 14 karat gold with the SR standing for "solid gold ring." This indicates that the ring is made of solid 14 karat gold throughout, as opposed to gold-plated or filled.
The initials SR stands for slightly rusted. The factories can get sued for infections on the fingers so they put that as a warning on the ring.
SR on a ring typically stands for "Sterling Silver," indicating that the ring is made of genuine sterling silver. Sterling silver is a popular metal for jewelry due to its durability and classic appearance.
SR on a ring likely stands for "Sterling Silver," indicating that the ring is made from sterling silver. Sterling silver is a popular metal alloy consisting of 92.5% silver and 7.5% other metals, typically copper.
Sr-0712
SR inside a ring typically stands for "Sterling Silver," indicating that the piece of jewelry or object is made of silver that is at least 92.5% pure. The term "Sterling Silver" is a standard designation in the jewelry industry to denote high-quality silver. The presence of SR inside a ring assures the consumer of the silver content and quality of the item.
"P4SR" marked on a ring could indicate that the ring is made of platinum (P), with a purity level of 950 parts per thousand (4/5). The "SR" could be a maker's mark or hallmark indicating the manufacturer or designer of the ring.
Bowling for Soup covered this,however the band SR 71 were the band who wrote it and recorded it first
http://en.wikipedia.org/wiki/SR-71_Blackbird
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