Depression glass is clear or colored translucent glassware that was distributed throughout the US during the Great Depression era of the 1920s and 30s. During that time, the Quaker Oats Company began putting glassware in boxes of food as an incentive to purchase, much like modern cereal box prizes. Movie theaters and businesses sometimes offered pieces simply for coming in the door. Though of marginal quality, Depression glass has become highly collectible. In what colors was it made?
Source: The Free Dictionary