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How to Identify Glassware Perhaps the first thing to know is that it is difficult to discern what kind of glass a piece is, according to Robinson, because glass has been produced in so many ...
Pontil scar on the base of a free-blown glass bowl. A pontil mark or punt mark is the scar where the pontil, punty or punt was broken from a work of blown glass.The presence of such a scar indicates that a glass bottle or bowl was blown freehand, while the absence of a punt mark suggests either that the mark has been obliterated or that the work was mold-blown.
Another type of mark is found on glass baskets. Where the glass handles of the baskets are attached to the base of the basket a stamp is made. [9] Each handler had a specific pattern to help identify which handler attached the handle. [9] The marks began in the 1950s and were instituted by Frank M. and Bill Fenton. [9]
The second mark, which is the more commonly known by collectors and dealers, is the intertwined W and G that Westmoreland began to use in 1946 on most of the glassware. [8] In 1981, David Grossman bought the factory from the Brainard family and changed the mark. The new mark was the word Westmoreland in a circle around three lines. [8]
Identification of carnival glass is frequently difficult. Many manufacturers did not include a maker's mark on their product, and some did for only part of the time they produced the glass. Identifying carnival glass involves matching patterns, colours, sheen, edges, thickness, and other factors from old manufacturer's trade catalogs, other ...
Recycling codes on products. Recycling codes are used to identify the materials out of which the item is made, to facilitate easier recycling process.The presence on an item of a recycling code, a chasing arrows logo, or a resin code, is not an automatic indicator that a material is recyclable; it is an explanation of what the item is made of.
Opaline glass is a style of antique glassware that was produced in Europe, particularly 19th-century France. It was originally made by adding materials such as bone ash to lead-crystal, creating a semi-opaque glass with reddish opalescence .
A Peking glass vase with lotus pattern from the Daoguang period. The color is named "Imperial Yellow" in reference to the banner of the Qing dynasty.. Peking glass, also known as Kangxi Glass, Qianlong Glass or Tao Liao Ping, [clarification needed] is a form of Chinese glassware that originated in 18th century Beijing, China (then romanized as "Peking" in European writings).
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