Directly in front of the standing boy is most likely the marver - a flat table used for parison manipulation.The caption to the photo is: "Blower and Mold Boy, Seneca Glass Works, Morgantown, W. Location: Morgantown, West Virginia."The large majority of mouth-blown bottles (probably at least 95%) date to or prior to the World War I era, i.e., ≤1915-1920, with at least 75% likely dating prior to 1900 (empirical estimate).
For a discussion of ground lip or finish click Bottle Finishes & Closures and/or Ground Finish to view portions of other pages within this website that cover this subject.
Pontil marks come in several different stylistic types with variation within the different styles.
If you are seeking information on what type bottle you have, go to the Bottle Typing & Diagnostic Shapes page which also will lead users to additional dating information.
have any evidence of a pontil mark though the base may have a mold line(s) and/or embossing, or be totally smooth and unmarked.
Typical examples of the 3 major pontil types - glass-tipped or "open" pontil scar, iron or "improved" pontil scar, and sand (disk) pontil scar - are pictured to the right.
Visit the Pontil Marks or Scars page for much more information on pontil rods, pontil scars, and the empontilling process.In particular, the information found within the Bottle Typing & Diagnostic Shapes complex of pages is of particular use.: If you are keying a bottle with a ground lip or finish, only questions #6 & #7 will help refine your dating quest since ground lip bottles and jars are rarely pontil marked (Question #4) and this finishing method is not covered under Question #5 (it falls out as "C" - Other Finishes - under Question #5).Probably at least 95% of pontil scarred utilitarian bottles date to or before the Civil War era (1860-1865).A pontil scar or mark is a very useful mid-19th century diagnostic dating characteristic.From Champagne to Bailey’s Irish Cream, here’s a consumer’s guide to how long your favorite bottles of alcohol will last once you pop the cork or break the seal.