14K is the content of gold in the item, and SD is most likely the initials of the ring's maker.
On a ring, the 14K SD stands for the karat and the maker of the ring. The 14 K means 14 karat. The SD is usually the initial of the maker or the manufacturer.
SD could mean the designer Sybil Dunlop
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Ring and jewelry manufacturers are required by law to stamp their jewelry with a purity symbol such as "14K" or "PLT". However, some also include an additional stamp or engraving to mark a designers name, collection type, or even a short message describing the piece. This extra message is not required or regulated by law and there are a plethora of marks or engravings a jewelry item can have in it. While we can't be sure unless we examine the piece, "SD" sometimes means "synthetic diamond(s)". If one is sure that the diamonds (if any) in the jewelry or ring are real "SD" could very well stand for a designers name or collection type.
The numbers on a gold bar typically represent its weight, purity, and serial number. Reputable dealers like JM Bullion, Apmex, SD Bullion, and BOLD Precious Metals provide reliable, standardized information.
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Whats blank sd card
You need to download the r4i gold kernel and some DS games. then put the r4i gold kernel and ds games into the root directory of the SD card. then it can work.
SD means self destruct
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An "SD card" is a Secure Digital memory card.
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