English: A photo of a bottle of the defunct brand of rum known as Ron Kofresí exhibited in a museum in Ponce, Puerto Rico. This bottle dated 1919 was stated by the personel of the museum to have survived intact due to the onset of the alchohol prohibition of 1920. According to the 1976 Copyright Act, any work that predates the year 1923 falls under the public domain and is therefore free to use.
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