Dating antique bottles requires knowledge of the evolution of bottle technology and the ability to research manufacturers and bottling companies. Although glass bottles have been made for a few thousand years, it was not until the 19th century that bottle use became common, coinciding with the industrial revolution. By the midth century, embossed lettering and marking on bottle bodies and bases, denoting manufacturers and products, made more precise dating possible. In addition to technology, products and manufacturers, certain types of glass colors will also aid in dating.
Wondering How to Identify an Old Pepsi Bottle? Read on to Know
Dating Your Old Bottles
This webpage is intended to help novice collectors and non-collectors better identify, describe, and date the bottles they encounter. Bottle dating is approximate and just intended to give a relative placement in bottle making history. Painter seam stops below lip common on sodas and beers image supplied by Harry Pristis s machine made crown top seam runs to top of bottle common on sodas and beers - Preset machine made metal cap top seam runs to top used a metal cap with twisted wire seal common on medicines s - s. Baltimore loop looks like blob top on outside inside of mouth has an ring shaped depression seam ends below lip used on beer and soda bottles.
How to Date Antique Glass Bottles
Most bottle manufacturers molded the year into the glass at the bottom of the bottle in 2-digit format. This will usually tell you—within a year or two—when the whiskey was bottled. Generally the earlier date refers to the year the bottle mold was created, and the latter is the year the bottle was made. Most bourbons and ryes had a tax strip seal over the cap up through Bottled in bond tax strips are green; non bonded tax strips are red and do not show the years.
To submit your vote please sign in or sign up , it is free and takes a few seconds. To some extent the answer for US Tax Stamps is yes! So a Canadian Stamp on a 7 year aged bottle, actually infers a bottling date. Examples of each version are show below: Underlined sections denote the change in design from the previous version. US State Tax Stamps are usually a bit more defining for dating purposes, as each State Treasurer was appointed for a 4-yr term, and in most states the Tax Stamp bears their signature for stamps issued while they were in office