Heinz 57 uses a code that typically consists of a series of letters and numbers printed on the bottle. The first letter indicates the month of production (A = January, B = February, etc.), followed by a two-digit day and a two-digit year. For example, a code reading "C15022" would indicate production on March 15, 2022. Always check for specific details on the package, as formats may vary slightly by product.
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