Looking to start a beer can collection or add to your current one. Beer Can Collecting has become fun, exciting and an investment for all. Amazingly starting a collection is fairly simple and easy when you have the needed information to help guide you. Beer Can Colectibles has this information to help you get started. First, the most popular beer cans collected today are the 12 ounce Cone Tops and Flat Tops with Pull Tabs moving up in popularity. Listed below from left to right we have Cone Top, Flat Top and Pull Tab.