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Wednesday, 12 August 2026

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British cleaner discovers unopened Mars bar from 1991

A British cleaner stumbled upon an unopened Mars bar from 1991 that is 56 percent heavier than current versions.

British cleaner discovers unopened Mars bar from 1991
Photo: xian from Lancaster · Wikimedia Commons · CC BY 2.0

A British cleaner has found an unopened Mars bar with an expiration date from 1991 while clearing out a property. This discovery drew attention because the bar is more than one and a half times heavier than the current Mars bars sold in the UK.

The cleaner, Victoria Gordon, runs a cleaning company and was in the process of clearing out several homes. She discovered the old bar in one of the boxes she opened. Gordon has shared a video of the find on social media, which then went viral.

According to Gordon, the 35-year-old Mars bar weighs 56 percent more than the candy bars available in supermarkets today. This difference in weight is striking and has sparked discussions about measured changes in product sizes over the years.

British cleaner discovers unopened Mars bar from 1991
Photo: Anne, Koningin van Groot-Brittannië, 1665-1714 · Wikimedia Commons · CC0

The video showcases not only the Mars bar but also the reactions of viewers who are surprised by its size and weight. Many people have responded on social media, further amplifying the popularity of this moment.

It seems consumers are becoming increasingly aware of changes in packaging and portion sizes in the food industry. The discovery of the old bar is now seen as an interesting example of this trend.

It is still unclear what will happen to the Mars bar; Gordon has indicated that she is considering preserving or selling the bar due to its unique nature.