Re: 1973 Warner Brothers pepsi glasses
In 99.9 percent of the glasses it has nothing to do with production it's because some were used & some were only displayed or stored away. Faded glasses are glasses that no longer have the glossy sheen and can appear more of a flat or matte color, the first color to show this is black. If a glass is a flat black vs glossy its been used and thru a dishwasher, killing any value it once had.
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