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Some examples were quite crudely made, with lots of embedded bubbles, mold irregularities, and a “hammered”, “rippled”, “whittled”, or “washboard” appearance to the surface of the glass. Depauw Glass Company, located in New Albany, Indiana.The “whittled” look might be compared to the appearance of heavy rain beating against a glass windowpane, and is caused by the molten glass having been blown into a mold that was not properly pre-heated — that is, the glass had begun to solidify too quickly. The jar pictured here is an example.) Mason’s Patent Nov 30th 1858 jar " data-medium-file="https:// data-large-file="https:// class="alignleft size-large wp-image-1083" title="Masons-Patent-Nov-30th-1858" src=" alt="Mason's Patent Nov 30th 1858 jar" width="520" height="1024" srcset="https:// https:// https:// sizes="(max-width: 520px) 100vw, 520px" / However, vast quantities were produced by well over 100 different glass factories, and many of those have NO identification marks whatsover, or only a mold number, letter, or emblem on the base.Check for appraisers in your area, and call them to see if they can help for free.Any information they tell you will be informal, but it can help you identify your piece.In addition to the dealers that may be able to help, there is often an antique appraiser at the event offering free appraisals.

The very first jars with the Nov 30 1858 patent date embossing are to have been made at the “Crowleytown” Glass Works (more accurately the Atlantic Glass Works), located in Washington Township, New Jersey. The “Crowleytown” jars have a more pronounced square shoulder, differing in appearance from the typical later types.After you've determined whether or not your item is a genuine antique, you can proudly display it in your home and share its story with visitors.The more you know about an item's history, the more you will appreciate its beauty.Visit your local library or bookstore and look for antique price and identification guides that are relevant to the type of piece you are trying to identify.If your library doesn't carry this book, you may be able to borrow it through inter-library loan. Jason's Junk is a message board that allows you to post a question and picture of your item.Unfortunately, identifying the style of a piece of furniture won't help you determine if it's an antique.Manufacturers often reproduce pieces from other eras, and some styles, like Shaker wood furniture, never really go out of fashion.According to TLC Home, it's better to look at the construction and finish of the piece instead.Before the invention of stainless steel, sterling silver and silver-plated items were found in every home.Even today, silver-plated picture frames and other decorative items are popular gifts.There are several steps involved in identifying an antique.


  1. What is a Diamond Mark. During the period 1842-1883 the British Patent Office issued a diamond mark along with the registration number when a design was registered.

  2. The 'Victorian Lozenge' dating Patented Model registrations by The UK Patent Officeo, n newsletter # 12 March 2005 of the Association of Small Collectors of Antique Silver

  3. Tools for Dating Vintage Costume Jewelry. It is obvious that Trifari and Coro patent information can be used to. Morning Glory Antiques at.

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