SIA 1 Number Plate
The known history of SIA1, bringing together documented vehicle assignments, auction sales, advertisements, photographs and other evidence.
Last checked by our plate checker: 11 Sept 2026, 14:13
SIA 1 (SIA1) — Number Plate History & Timeline
Also written as SIA1. History, past vehicles, DVLA records, auction sales, advert appearances, spotted photos, pictures and images for number plate SIA 1.
Issued
This number plate was originally issued between 1903 and 1963
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What is SIA 1 worth?
The value of SIA 1 is influenced by its dateless format, the relevance and popularity of the letters SIA, its low number and comparable sales.
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