Smallest pack of playing cards

Smallest pack of playing cards
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Who
Rob Hallifax
What
5.0 x 3.6 mm dimension(s)
Where
United Kingdom (London)
When
31 March 2024

The smallest pack of playing cards is 5.0 mm x 3.6 mm, achieved by Rob Hallifax (UK) in London, UK, on 31 March 2024.

Rob took on this challenge as part of his New Year's resolutions.