It is the purity of the platinum. 850 is 85% pure. 900 is 90% pure. 950 is 95% pure.
Stamps on Gold and Platinum Rings The stamp 555 on a ring is 14k Gold The stamp 999 means Gold with Platinum The Stamp 333 on a ring is very Rare and Exclusive, it has different value's - stamped as ; 333 means Platinum. (rear white Gold) stamped as ; 333 , 350 means, Platinum above 10000 years old. stamped as ; 333 , 360 means, Platinum above 20000 years old.
The number stamped on the square tang indicates the bit size.
Most likely the pattern number
The number 174 in platinum refers to mass number or A. This is applicable to atomic nuclei of Pt 174 isotope.
It is the purity of the platinum. 850 is 85% pure. 900 is 90% pure. 950 is 95% pure.
Hello, platinum stamped, it's not like yellow or like White Gold Formula !
Stamps on Gold and Platinum Rings The stamp 555 on a ring is 14k Gold The stamp 999 means Gold with Platinum The Stamp 333 on a ring is very Rare and Exclusive, it has different value's - stamped as ; 333 means Platinum. (rear white Gold) stamped as ; 333 , 350 means, Platinum above 10000 years old. stamped as ; 333 , 360 means, Platinum above 20000 years old.
Oh, dude, "PL" stamped on the inside of a ring stands for "Platinum." It's like the VIP section of metals, you know? So, if your ring has "PL" stamped inside, you're basically wearing the fancy stuff. Like, congrats on having a platinum ring, I guess.
White gold= ATI BRCN LOOKS AS OF ITS PLATINUM AND YELLOW GOLD WHEN LOOKING AT IT AT AN
956 stamped into a ring likely refers to the purity of the metal, indicating that it is made of 95.6% pure platinum. This marking is commonly seen on platinum jewelry to signify its high quality and value.
Modern platinum jewelry is usually stamped with a simple purity mark such as 950 or PT950. I believe it means 95% pure platinum. You can refer to the Precious Metals Buyer's Guide for more information.
The general stamps for platinum jewelry are PLAT and PT.In addition, platinum jewelry is also often stamped as follows:90% pure platinum jewelry - 900 Platinum, 900 Plat, Plat 900, Pt900 or 900Pt95% pure platinum jewelry - 950 Platinum, 950 Plat, Plat 950, Pt950 or 950PtStep 8Remember that a "950 Platinum" stamp means jewelry is 95 percent pure platinum, or 950 parts out of 1000. Such jewelry may also be stamped "PLAT," "PT," "950 Plat," "Plat 950," "Pt950," or "950Pt."Read more: How to Read Jewelry Stamps or Labels | eHow.com http://www.ehow.com/how_5794103_read-jewelry-stamps-labels.html#ixzz0u1cRd1ib
P14 is the stamp for platinum.
"995" stamped on jewelry typically indicates that the piece is made of 99.5% pure platinum, which is a very high level of purity for platinum jewelry. This marking signifies the quality and value of the metal used in the piece.
The oldest and most common jewelry alloy for platinum is 90% platinum, 10% iridium. You'll see various stamps, the most common maybe is 10% Ir Plat or something like that. Occasionally it's all spelled out, too. A newer alloy is 950 platinum, where the other 50 is usually cobalt. Usually that is stamped 950 Plat. or 950 Platinum. Those are the two most common, anyway.
The number stamped on the square tang indicates the bit size.