Dating vintage bottles
Most bourbons and ryes had a tax strip seal over the cap up through 1985.After that, several brands continued with a “faux” tax strip, which looked similar to a tax strip but wasn’t an official government item.As Berge (1980) noted in referring to bottles, the "..of manufacture of glass containers provides observable attributes which seem to be very useful in a classification of these artifacts." Thus, this page.This bottle dating "key" is a relatively simple "first cut" on the dating of a bottle.You’ll often find it in the lower right portion when looking at the bottom (some dates are much easier to distinguish than others).
Generally the earlier date refers to the year the bottle mold was created, and the latter is the year the bottle was made.
The third picture shows the base of a milk bottle from just after the trun of the century.
The disk-like mark is sometimes confused with a pontil.
The bottles used for illustration are a small but diverse assortment designed to give users guidance on how to work a bottle through the dating information to answer the Homepage's primary question #1 - What is the age of the bottle?
) to the specific dating questions on the Bottle Dating page are included so that a user can reference the necessary portions of that page.