How can you tell how old a milk bottle is?

The shape of a milk bottle can tell you about the time period when the bottle was made. For instance, round bottomed bottles with tall sides were made prior to 1930 and most square bottomed bottles with short sides were made after 1940.

How can I tell when my bottle was made?

The embossed maker's mark or letters on the side of a bottle or on the base of a bottle will help to reveal a bottle's age. Marks or letters on collectible milk bottles and Coca Cola bottles are commonly indicators of age and origin.

What do the numbers mean on a milk bottle?

They actually tell you where your milk is from. The first two numbers, which range from 0-56, tell you the state of origin, and the series after the dash (which can be made up of only numbers, or letters and numbers) tell you dairy that it came from.

What do numbers on the bottom of glass bottles mean?

The number (within a triangle with rounded corners) found on the bottom of plastic bottles is a code indicating the type of plastic the bottle is made from, and pertains to the subject of recycling) .

How do I determine the age in value of antique bottles?

The Age of the Bottle

Seams and pontil marks are two of the ways you can determine a bottle's age. The pontil mark is the mark at the bottom of the bottle where it was attached to the glass blower's pontil rod.

History of Milk and Historic Milk Bottle Identification

What old bottles are worth the most?

Rare bottle blows past estimate

A 150-year-old blue Cassin's Grape Brandy Bitters bottle, so rare that for years many doubted its existence, has sold for a staggering $155,000.

Why do old bottles have a round bottom?

Rounded bases were designed to do the opposite of most flat bottle bases and ensured that the bottle was not left standing upright. The rounded bottom was to ensure that the bottle was left on its side so that the wired down cork would not dry out and shrink allowing the contents to loose carbonation and/or evaporate.

How do you date glass?

If you can identify the pattern and color of your glassware, you can also get a sense of its age. Manufacturers usually only created a pattern for a certain number of years. If you know a pattern was made in the 1920s through the 1940s, for example, then you know your glass item dates from this era.

Are old milk bottles worth money?

Before you buy or sell a milk bottle, it helps to know how much it's worth. These bottles can range from about $10 to $200 or more, depending on a number of factors.

What are the dots on the bottom of bottles?

According to Wine Spectator, these dimples are called dimples or dimples. The punt was first added to wine bottles after the Industrial Revolution, to ensure they would stand upright. All wine bottles were handmade by glassblowers before the Industrial Revolution.

What does the date on the milk carton mean?

This date indicates when to consume the milk by for the best quality. Sell by. This date can help stores with inventory management, as it tells when to sell the milk by to ensure the best quality. Use by. This date is the last day you can expect the product to be at peak quality.

How do you date an AGM bottle?

The majority of these bottles from 1917 (and perhaps earlier) up until and including 1923 have the year on the lower section of the body of each bottle. Some year dates that include 1923 are found on the base. The letters AGM either in a straight line or curved line on the base date from c1923 up until 1930 (or 32).

What is a pontil mark on a bottle?

A pontil mark is a variable size and type of scar or roughage left on the base of a bottle by a pontil rod. A typical pontil rod (aka ponty, punty or punte) was a long (4-6 feet) rod which was securely attached to the base of the just blown hot bottle (Trowbridge 1870).

How do I identify my bottle manufacturer?

Find the Markings

The side of the bottle may be printed with the product or manufacturer's name, and this can be helpful in identifying your find. Also turn the bottle over. Many bottles have marks on the bottom, and these are important signatures of bottle manufacturers.

What can you do with old milk bottles?

Does milk glass have markings?

A variety of manufacturers produced milk glass over the years. Many of these manufacturers used marks to identify their pieces. To see if a piece is marked, turn it over and examine the bottom. The mark will appear near the center in most cases.

What are the most valuable glass bottles?

What glass is worth money?

Look for pink, blue and green glassware

Pink, green and blue are the most valuable colors of depression glass. Pink tends to be the most valuable because it is more rare. Yellow and amber colored depression glass is more common and therefore less valuable.

How do you clean old bottles?

All you need to do is pour a generous amount of salt into your bottle and then add a bit of warm water until it creates a good consistency. Next, cover the opening of the bottle and shake it well! The salt acts as an abrasive to help scrape off dirt and debris!

What does the L on the bottom of a glass mean?

(1888-to date) The “cursive L” trademark is frequently seen embossed on the bases of various tableware items, especially tumblers and other drinking glasses, barware, wine glasses and stemware for home use as well as commercial and institutional use.

What is a dip mold bottle?

A dip mold is a simple open top mold that was used to gain uniformity and consistency (and likely increased production) in the shaping of the bottle body and base.

How much is a 1923 Coca Cola bottle worth?

A: The 1923 Coca-Cola bottle, a.k.a. the Christmas bottle, was the first to renew its exclusive new design patent. It gained its nickname from its renewal date, which coincidentally fell on Dec. 25, 1923. As a 1900s model, it's worth about $2,300 – $2,500.

How do you date a Duraglas bottle?

The term “Duraglas” was first embossed in cursive on bottle bases at some point during the year – so expect bottles with “0” date codes both with and without the word. Duraglas was a glass formula that was stronger than most previous glass mixtures.