Characteristics: Lip often more crudely applied than later forms. For example, the Eagles, for example, lack the fine detail of pre-Civil War Historical Flasks.
The picture below at the left shows an iron pontil on the base jof a historical flask circa 1865.
With each chart the reader will find accompanying pictures to further aid in bottle identification and age.
Chart 1 The Basics of Dating Bottles Readers first need to develop the vocabulary necessary to distinguish early and late forms of bottles.
' Often beginners have a difficult time distinguishing between old and new bottles especially when is comes to modern reproductions.
One can find quite a bit of information on my web site and across the Internet about dating bottles based on whether the mold seam goes up and over the lip or if the bottle has a 'pontil' on the base.