Pontil mark identification. How to Identify an Authentic Fenton Glass

EARLY AMERICAN BOTTLES’ PONTILS TELL WHERE AND WHEN THEY WERE MADE

Pontil mark identification

However, the transition time for conversion from the pontil rod to the snap case was lengthy for utilitarian bottles. This factory also produced green and red flash overlays. Examine the color of the bottle or jar. All colored art glass, including lamp shades, was free-blown, never made in press molds. The sharper and cruder the pontil, the more desirable. Once the pontil rod is attached to the blown glass, the blow pipe is removed.

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Dating Your Old Bottles

Pontil mark identification

Several Ohio companies produced transitional marbles. Some are also identified by the manufacturer, but this can be difficult at best. The yellow green barber bottle base pictured to the left and earlier on this page is another example of a combination pontil, though it is primarily a blowpipe pontil scar with some residual iron from the pontil rod remaining on the bottle. Although the seller clearly states the glass is a reproduction, the seller also stresses how the new pieces are based on originals and how accurately they duplicate the look of originals. Only glassworks made in the island of Murano can be marketed as Murano glass artworks.

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The Pontil Scar

Pontil mark identification

Amazon Tracking Pixel Some articles display amazon products as part of the Amazon Affiliate program, this pixel provides traffic statistics for those products Clicksco This is a data management platform studying reader behavior. The reasons this occurs are unknown but may just be chance or certain glass making related conditions. The 'chequer' weights are thought to be made by Arculus, and also the 'low domed' concentric weights. The punty rod was used to hold the hot bottle while the lip was formed and finished. Bases are rarely polished or ground - the pontil mark is very obvious.

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Chapter IV

Pontil mark identification

Then you can start sharing this info with collectors online or request an appraisal. See below for detailed information on the different marks and signatures used by Steuben over the years. Clear crystal since 1933 virtually never has extraneous air bubbles in the glass unless bubbles are part of an intentional artistic design. Double overlays with an inner layer of white and an outer layer of red, blue, or green were more frequently produced. It can be if the buyer wishes but we will leave that to the buyer's discretion.

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How to Authenticate Steuben Glass: Marks and Signatures

Pontil mark identification

A typical disk pontil - including the illustrated example - exhibit little if any evidence of the miniscule but numerous tiny glass fragments within the confines of the attachment ring as one would see with a typical sand pontil scar. So the presence of one is a clear indicator of a fake. Ref: Polish blue pressed glass vase by the Zabkowice factory, designed by Eryka Drost, pattern number 6087. The small tips cut through the iridescence revealing the body glass below. Other iron pontil scars can show evidence of a rod with a four quadrant head, i.

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How to Identify Fenton Glass: 10 Steps (with Pictures)

Pontil mark identification

Click to view an illustration of a bare iron pontil attached to a bottle base. No Seams Such a bottle may be free blown, the shape may be uneven and may date before the year 1860. Touch it with your finger and you can feel that the surface of the Pontil mark is not smooth. Some we may be able to identify, but don't yet have their own section in our encyclopedia. I realize Steuben outsourced some of their glassworks to Portugal, so I wasn't entirely surprised that this decanter was made there. Bottle stoppers do not always match the base design; indeed, this is so common that it is likely that some items left the factory that way. There are numerous spots where the iridescence is very thin and the base glass shows through.

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