Dating old australian bottles
If you're unable to read it, try placing a piece of white paper on the bottle and lightly rubbing over the mark with a piece of charcoal or a crayon. Some markings demonstrate how the bottle was manufactured, and by extension, its age.After you've found the mark on the bottle, classify it by type. Pontil marks typically indicate an older bottle, and older bottles are sometimes more valuable.I won’t delve into the history of Penfolds as there are plenty of resources online already dealing with the subject, e.g. Most collectable Penfolds bottles date to the 1910s-1920s (except of course that many Penfolds wines such as Grange are themselves collectables! Claret shape: Penfolds were predominately a fortified wine producer in the early 20th century but these bottles would have contained table wines. The clear glass bottles contained whites and the darker green or amber bottles the reds.The amethyst bottle in the middle would have started out as clear glass but Manganese Dioxide was widely used as an additive in glass to remove the green tinge and create truly clear glass.As they are quite crudely made collectors often think these types of Penfolds bottles are earlier than they truly are.
However, this site is geared with more emphasis on the actual themselves.
The amber bottle on the right is close to a modern day style and dates to about 1930.
Fortifieds: Like the Claret shapes these come in a range of colours (by the way I’ve only shown a small selection of both types). Note that the two bottles to the left have the same base mark which shows the mould for these was made in 1917.
The side of the bottle may be printed with the product or manufacturer's name, and this can be helpful in identifying your find. Many bottles have marks on the bottom, and these are important signatures of bottle manufacturers.
If the mark isn't obvious on the bottom of the bottle, feel for it with your finger. have markings that fall into a few categories: The markings on the bottle can directly affect its value.
Still working on updates for the other pages, if your interested in bottles or insulators and not sure what's for sale please ask.