A quality Retro pin made in France circa 1940's, 18kt two tone solid gold, ruby channel setting, knot design, excellent condition... Antique jewelry object group: brooch Condition: excellent condition   -  (more info on our condition scale) Country of origin: France Style: Retro - The style now called "Retro Art" is a genre which was developed in the 1940s and 1950s in response to a need for bold, eye-catching graphics and shapes that were easy to reproduce.   -  See also: Retro or more info on styles Style specifics: Retro Style is a recent designation for the period in the forties when large scale, stylized geometric forms, drapes, bows or ribbons were all the rage. Pink Gold, set with colored stones, sometimes in floral forms was common. Period: ca. 1940   -  (events and facts in 1940) Material: 18K bi-color (yellow and red) gold   -  (more info on precious metals) Precious stones: Five rubies   -  (more info on precious stones) Birthstones: Ruby is the birthstone (or month stone) for July.   -  (more info on birthstones) Hallmarks: The French control mark for 18K gold representing an eagle's head that was in use in France from about 1838.   -  (more info on hallmarks) Dimensions: 4.76 cm (1.87 inch) x 2.60 cm (1.02 inch) Weight: 10.20 gram (6.56 dwt) - The antique jewellery box in the cover photo is just for display purposes and is not included with the jewel. Reference Nº: 12005-0030 Copyright photography: Adin, fine antique jewelry