Some of the above information may be useful in dating your gum related collectibles. Gums flavored to taste like hamburgers, pizza, fruits and other foods sold. Aspirin added to gum for pain relief. Various brands of gum containing nicotine to stop smoking. The William Wrigley Jr. Company is the largest gum manufacturer in the world.
Turkey has the largest number of gum manufacturers.
England and Canada are also prominent producers. Look for chewing gum jars patterned after early apothecary jars from such companies as Wrigley, Kis-Me, Beeman's, Colgan, and Adams. References Illustrated Tin Container Guide by Evalene Pulati, 1973. Food and Drink Containers and Their Prices by Al Bergevin, 1988. The Tin Can Book by Hyla M. Clark, 1977.