Removal was generally sharp, however, a few IRTP labels used as late as 1953 have been found. were required on beer labels from the end of prohibition, 1933, to September 1935.
However, notification to remove permit numbers was slow and brewers were allowed to use up existing label inventories.
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. The earliest bottles were hand-blown by a glassblower with a blowpipe and lack seams.
By the mid-19th century, embossed lettering and marking on bottle bodies and bases, denoting manufacturers and products, made more precise dating possible. Is the bottle highly symmetrical, but lacking mold seams?
Blown-in-mold bottles without pontil marks date circa 1860s to 1910s.