when buying coca - cola collectables i first suggest you purchase a petretti’s collectables price guide it is a encyclopedia of coca -cola collectables they run about $45.00, but are so worth it , it is the bible for any collector of coca -cola products, in1895 coca - cola was sold in every state and territory in the untied states plants opened all over alanta ,philadelphia,dallas,chicago,los angeles etc. so first yo want to learn the history , what era do you want to collect from, early or modern , decide if you want to collect trays ,bottles, paper products,, machines, calanders, etc, there is a very wide range of coca -collectables, and there are a lot of fakes and reproductions out there that is why we need a books to help us, keep records of waht you collect it cause its also a investment, try not to restore items as you may ruin them a simple cleaning is really all they need, consider condition of product as this will determine the value, were do we find coca-cola products EBAY IS A GREAT PLACE TO START, you can find hundreds of products on , first decide what you want to collect , search coca-cola products ex:( coca -cola trays ) read listing page top to bottom, email seller to make sure it is a original coca-cola product, if you can’t afford a book go to your local book store and look it up this can be done with all collectables, not just coca cola products, or you can also buy used and new books on , the prices vary on collectables so be careful don’t over pay , just search for the coca-cola product you want and bid accordingly, have fun ask questions there are many collectors on who are more then happy to help you!