Vintage Platinum Jewelry Marks

Many estate jewelry hallmarks will be pt900 indicating that the metal is 900 parts per 1000 of pure platinum.

Vintage platinum jewelry marks.

900 plat 100irid means platinum alloyed with 10 iridium. When learning how to date vintage jewelry a maker s mark or signature can be a big help since most companies changed their signatures over time. The study of jewelry maker s marks is a fascinating subject steeped in history culture and art. Pt850 platinum at 85.

Pt also the chemical symbol mark for platinum. Look for the words platinum plat or pt followed or preceded by the numbers 950 or 999. Silver jewelry marks learn to identify and date antique and vine jewelry maker s marks a collector jewelry maker s marks identification gold st makers marks c replays and things antique and vine jewelry maker s marks a collector. Under hallmarking legislation there is no compulsorary requirement to show these additional marks however they are often shown.

Ornamentation is nothing if not a reflection of one s personal style a marking of both taste and creativity. Throughout history jewelry has been an early identifier of a person s. Hallmarks and maker s marks help identify the origin of antique and period platinum rings. The following 3 marks are all optional.

Changing with the times. Distinguished jewelry requires the proper distinguishing marks. Find any marks indicating platinum jewelry. They are expressed with numbers symbols letters or a combination thereof stamped impressed or struck on platinum to indicate its fineness according.

It s this process of authentication that endorses quality jewelry for what it is. If your platinum item has a purity of 950 or 999 it may display the traditional orb mark. The remaining 100 part are usually made with iridium which makes the jewelry harder. Also called trademarks they often provide the only evidence that a certain piece of jewelry has indeed been manufactured by a certain jewelry maker.

Maker s marks are the initials or name of the manufacturing firm or other representative symbol stamped into a gold silver or platinum. Often overlooked due to their intentionally hidden location and diminutive size the etchings found inscribed on a piece of modern or vintage jewelry offer a window into the who what and where of the piece and are well worth a serious look. Researching costume jewelry rcj is a collaboration of hundreds of costume jewelry collectors and dealers who have shared and continue to share their knowledge photos written articles and jewelry catalogs along with assisting in other ways. Platinum is a very rare and expensive metal.

Therefore all platinum jewelry will be marked to show authenticity.