The Uncas Manufacturing Company uses a U with an arrow through it as its hallmark, or jeweler's mark, on its sterling and costume jewelry. The company changed its original jeweler's mark and started using the symbol in the mid-1920s.Continue Reading
Uncas is a family-owned business that was founded in 1911. The company's headquarters is located in the state of Rhode Island with offices, showrooms and warehouses in California, Florida and Hong Kong, China.
The company was founded by Italian Immigrant Vincent Sorrentino, but its namesake belongs to the son of the last chief of the Mohican American Indian tribe from James Fenimore Cooper's historical novel, "The Last of the Mohicans."Learn more about Rings
The easiest way to find your ring size is to go to a jeweler, and have her measure it. To determine your ring size yourself, use a piece of string or paper and a ruler to measure the circumference of your finger, and then find the measurement on a sizing chart.Full Answer >
The markings inside a ring shank indicate the type of metal, the karat weights or the name of the manufacturer, designer or jeweler. The most common stamp is the karat weight of the metal.Full Answer >
The jeweler's stamp on the inside of a ring band is used to identify the maker of the ring, as well as various features of the item. Some of the things that may be determined using the jeweler's stamp include the ring's metals, carat weights, designer and manufacturer.Full Answer >
To use a ruler to measure ring size, wrap a string around the ring finger and make a mark at the point where the string meets, and then measure the distance between the marks with the ruler. The length between the mark should be measured in inches and then compared to a ring size chart to determine its ring size equivalent.Full Answer >