Look at the words on the label to get a good guess at the age:
Ingredients lists on food (usually) in 1938
Postal zones came into use in 1943
ZIP Codes in 1963
Bar Codes (& nutrition labels on food) 1973
Karl
Look at the words on the label to get a good guess at the age:
Ingredients lists on food (usually) in 1938
Postal zones came into use in 1943
ZIP Codes in 1963
Bar Codes (& nutrition labels on food) 1973
Karl
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