1 IOU Number Plate
The known history of 1IOU, bringing together documented vehicle assignments, auction sales, advertisements, photographs and other evidence.
Last checked by our plate checker: 13 Sept 2026, 11:48
1 IOU (1IOU) — Number Plate History & Timeline
Also written as 1IOU. History, past vehicles, DVLA records, auction sales, advert appearances, spotted photos, pictures and images for number plate 1 IOU.
Issued
This number plate was originally issued between January 1904 and October 1921 in Leeds
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What is 1 IOU worth?
The value of 1 IOU is influenced by its dateless format, the relevance and popularity of the letters IOU, its low number and comparable sales.
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