See more info on those marks on Page Three. However, the trademark was not officially registered until March 1, TM , Some bottles made originally in clear glass may turn a faint amethyst shade from sun exposure. Darker shades of purple indicate the glass color has been altered in recent years via irradiation.
Antique Bottle Markings
Collecting Old Coca Cola Bottles | LoveToKnow
Grayslake Antique Market offers a unique shopping experience. During the summer this market almost doubles in size, that is when sellers all come out of hibernation to showcase their antiques and retro goodies. It can be really enjoyable to look at antiques from the past with the family. Explore the past together and start up conversations about the history of the items you are looking at. Bonus, you never know if the antique you find is a hidden treasure worth lots of money! Free Parking.
How to Date Antique Glass Bottles
The base of a bottle typically only has one primary function besides helping hold the bottle together and that is to provide a flat surface for the bottle to stand upright. The following is from the British Glass website and explains it at least in part:. Bottle bottoms aren't flat because they need an arched structure to allow them to be stable on a flat surface. The bottom of a bottle is usually the thickest part, retaining more temperature throughout the production line.
If you can your own fruits and vegetables, you might be surprised to find the value of old canning jars is often significant, with some examples reaching into the thousands of dollars. If you are using the ones your grandmother left you, that jar of spiced peaches might be worth more than you think. However, these are a few notable examples of what your canning jar could be worth:. If you are an aspiring collector, you may want to pick up a copy of Redbook 9 , available on Amazon. This book is no longer is print, but it is avaialble on secondary markets and you can get descriptions and basic values of your jars.