1 SIA Number Plate
The known history of 1SIA, bringing together documented vehicle assignments, auction sales, advertisements, photographs and other evidence.
Last checked by our plate checker: 10 Sept 2026, 16:00
1 SIA (1SIA) — Number Plate History & Timeline
Also written as 1SIA. History, past vehicles, DVLA records, auction sales, advert appearances, spotted photos, pictures and images for number plate 1 SIA.
Issued
This number plate was originally issued between December 1903 and May 1905 in London
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What is 1 SIA worth?
The value of 1 SIA is influenced by its dateless format, the relevance and popularity of the letters SIA, its low number and comparable sales.
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