Glass can be notoriously difficult to identify. Signatures, if there are any, can be faked, molds can be reused, and glassmakers often imitated one another’s decorations. Stiegel-type glass is an ...

Ever wondered how old your Coca-Cola bottle is? This video breaks down the most important features to look for, from 1915 and 1923 patent dates to hidden date codes on mid-century bottles.