Identification Glass Bottle Coke Bottle Bottom Markings

In order to make full use of this comprehensive information however one has to know what mark or marks were used by what glass or bottle manufacturing company.

Identification glass bottle coke bottle bottom markings. Most bottles with a smooth base indicate that they were made after the year 1865. Base of the bottle pontil marks. This webpage is intended to help novice collectors and non collectors better identify describe and date the bottles they encounter. If not known and the marking is either a clearly identifiable alphabetical letter or letters like a.

Inspect the base of the bottle. Bottles made after 1910 tend to have a smooth bottom with several numbers. In general the glass manufacturers marks are usually seen on the base but sometimes appear on the side or lower heel of the bottle. Co o will be in lower case letters.

In those cases one must carefully observe such details as the style of the coca cola trade mark other inscriptions that may appear such as. Root bottles carry model numbers. In many cases there is no such mark with only a number or numbers to be seen. Some of the embossed markings on the bottle base above are a great information source for 20th century bottle identification.

Old bottle identification and dating guide. An iron was often stuck at the base of the bottles that were hand blown. Bottle dating is approximate and just intended to give a relative placement in bottle making history. For the american bottle company or a distinct logo or symbol a user must first determine the origin of that makers marking.

The word root will be present on those bottles. If the bottom has a molten scar in the center this is an indicator that it may have been produced before 1860 when bottles were free blown. This bottle is an owens illinois glass company produced beer bottle made in 1941 by the oakland ca. Also root coke bottles will have heel numbers.

Many early coke bottles have no manufacturer s mark. The dates to the right of the mark are the dates the bottle was made. In many instances especially in the case of owens illinois bottles the glass manufacturers logo is in combination with a date code. When the bottle was broken off this iron rod left a definitive mark.

Often a trademark or other markings are embossed on the lower heel close to but not directly on the very bottom of the bottle. A notice of property of will be imprinted on coke bottles.