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This is an amber calabash flask from about 1860.

Like the other pontil rod types, this one was probably removed by sharply tapping the rod near the attachment point.

There are way to many modern studio glass artists making things like this and very few are collectable and or documented yet.

Bottle Significance How about an antique bottle from the royal family of England, India, or the Middle East? Check for a sticker on the bottom of your item.

Bottle bases with key molds feature a semi-circle crafted into the bottom of the bottle.

The trademark became a solid method of determining the age of the item providing the owner of the mark is known, or can be identified by research, along with knowing the exact date associated with the mark.

For example, in the bare iron pontil section below is pictured an early 1850s mineral water bottle with an iron pontil that visually appears to be just a worn circular area in the middle of the base.

You just think, how could they ever do this? The early patent medicine producers were some of the earliest , with and and the bottles themselves.

The introduction of this Georgian lead glass almost entirely replaced Venetian soda glass which had dominated the European market for centuries.

Use this lip guide to help you determine the approximate age of any old bottles you find.