Dating milk glass
The popularity of the mini skirt was challenged in the early 70s and a group of (male) truckers even organised a campaign to bring it back in 1970.
However, the mini remained popular in the early years of the 70s, but women now could chose between, mini, midi, (mid-calf length) or maxi (full length) skirts.
Take a look at your piece and see which category seems to fit it best: Your bottle will may have a label or some other identifying mark.
These labels prevented competitors from reusing the bottles of another manufacturer and ensured the bottles made it back to the correct dairy for refilling.
However, others are fakes of particularly valuable bottles.
Educating yourself about the types of bottles and the market in general will help make this an even more satisfying hobby.These bottles can range from about to 0 or more, depending on a number of factors. Chips and cracks will greatly reduce your bottle's value, as will excessive wear from rattling in the milk case.Assigning value to your bottle isn't an exact science, but it's important to get some sense of the price it should fetch. However, all used milk bottles will show some scratches. Unfortunately, rare bottles are vulnerable to reproduction, but authentic pieces can fetch top dollar.Before the advent of the paper carton and the plastic milk jug, dairies would send milk men out to individual houses with glass bottles of milk.
The shape of the glass bottle, as well as its color, labeling style, and other factors can help you determine whether you have an authentic find and get a sense of your bottle's age.However, if you're a collector looking for a specific style or era, you may have better luck buying or selling a bottle on the Internet.