It’s an ancient Mars-ian artifact.

It’s not just fast food that’s subject to shrinkflation. A 35-year-old Mars bar found in a hoarder’s house in the UK proves that chocolate bars, too, used to be bigger.

“The size difference was greater than I expected,” Victoria Gordon, 44, told Jam Press of the sweet find.

The Brit runs a cleaning business that specializes in remediating everything from crime scenes to biohazard sites. While cleaning out a hoarder house in the seaside English county of Lincolnshire this week, she stumbled across the vintage chocolate bar, which she shared in an online video.

In the clip, Gordon holds a “massive” unit of…

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