How can you tell if glass is cameo?
One of the most reliable and easiest tests for dating cameo glass is to check the base for a ground pontil (Figs. 12-17). Almost without exception, French cameo glass made before 1930 will have a ground pontil. By contrast, virtually no piece of new cameo glass has a ground pontil.
What is a cameo vase?
cameo glass, glassware decorated with figures and forms of coloured glass carved in relief against a glass background of a contrasting colour. Such ware is produced by blowing two layers of glass together.
What is cameo cut glass?
Description. Cameo glass is made by layering different colors of glass. The top layer is partly cut away to create a design that stands out from the background of contrasting color.
Are vases worth anything?
Look for a mark on the bottom of the vase. Marks may reflect the name of the company that made the vase, as well as the name of its designer. When the vase has a company name and an artist’s name, it may be worth more than if it simply has a company name. Marks may be inked, painted or engraved into the bottom.
What is a blue cameo made of?
Cameos are commonly made out of shell, coral, stone, lava, or glass. These carvings are set in either gold or silver. Cheaper costume jewelry cameos exist, and these are set in a base metal and made out of a molded plastic, glass, or resin. These are not hand-carved and are not worth a lot of money.
What is the cameo technique?
Cameo (/ˈkæmioʊ/) is a method of carving an object such as an engraved gem, item of jewellery or vessel. It nearly always features a raised (positive) relief image; contrast with intaglio, which has a negative image.
What is cameo glass made of?
Cameo glass is a luxury form of glass art produced by cameo glass engraving or etching and carving through fused layers of differently colored glass to produce designs, usually with white opaque glass figures and motifs on a dark-colored background.
How do I know if my cameo is valuable?
An antique cameo should have a “c-clasp,” which means the brooch pin loops under a crescent shaped piece of metal to hold it in place. Since authentic cameos are set in gold or silver, you should always check the setting for a hallmark that indicates the kind of precious metal used (14K, 925, 999, etc.).
What are cameos worth?
Cameo jewelry values vary significantly depending upon the intricacy of the carving and authenticity of the piece. High-quality, one-of-a-kind cameo can cost upwards of $10,000; however, cameo knock-offs can be quite inexpensive.
Who invented cameo glass?
the Romans
17). The first cameo glass vessels were made by the Romans between about 25 B.C. and A.D. 50.