1 SIO Number Plate
The known history of 1SIO, bringing together documented vehicle assignments, auction sales, advertisements, photographs and other evidence.
Last checked by our plate checker: 6 Sept 2026, 12:12
1 SIO (1SIO) — Number Plate History & Timeline
Also written as 1SIO. History, past vehicles, DVLA records, auction sales, advert appearances, spotted photos, pictures and images for number plate 1 SIO.
Issued
This number plate was originally issued between January 1904 and February 1913 in Birmingham
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What is 1 SIO worth?
The value of 1 SIO is influenced by its dateless format, the relevance and popularity of the letters SIO, its low number and comparable sales.
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