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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.
Clay pipe dating is the act of dating clay tobacco pipes found at archaeological sites to specific time periods.. Pipe bowl found in Kent, southeast England.The circular hole through the tube is slightly off-centre and measures 3.36mm in diameter, and would suggest a rough date of c.1610 AD.
Vintage cranberry glass bowl The beaker with lid made from Gold Ruby is attributed to Johann Kunckel. Cranberry glass or ' Gold Ruby ' glass is a red glass made by adding gold salts or colloidal gold to molten glass. Tin, in the form of stannous chloride, is sometimes added in tiny amounts as a reducing agent. The glass is used primarily in ...
Austrian opaline glass bowl, 1914. Opaline glass is a style of antique glassware that was produced in Europe, particularly 19th-century France.It was originally made by adding materials such as bone ash to lead-crystal, creating a semi-opaque glass with reddish opalescence.
Staining glass vessels with copper and silver pigments was known from around the 3rd century AD, [15] although lustreware technology probably began sometime between the 8th and 9th centuries AD. [ 16 ] [ 17 ] The earliest recipe for luster production appeared in 8th century AD "Kitab al-Durra al-Maknuzna" by Jabir ibn Hayyan . [ 18 ]
A bowl made around 900 years ago has just fetched $38 million at auction, setting a new record for Chinese porcelain. The antique Chinese bowl was made around 900 years ago during the Song Dynasty ...
Early American molded glass refers to glass functional and decorative objects, such as bottles and dishware, that were manufactured in the United States in the 19th century. . The objects were produced by blowing molten glass into a mold, thereby causing the glass to assume the shape and pattern design of the m
The folks at Minyanville did a comprehensive calculation and came up with the following chart. The numbers are based on a $50 a square game, with a $625 payout for the 1st and 3rd quarters, a ...