SIS 1 Number Plate
The known history of SIS1, bringing together documented vehicle assignments, auction sales, advertisements, photographs and other evidence.
Last checked by our plate checker: 13 Sept 2026, 15:28
SIS 1 (SIS1) — Number Plate History & Timeline
Also written as SIS1. History, past vehicles, DVLA records, auction sales, advert appearances, spotted photos, pictures and images for number plate SIS 1.
Issued
This number plate was originally issued between 1903 and 1963
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What is SIS 1 worth?
The value of SIS 1 is influenced by its dateless format, the relevance and popularity of the letters SIS, its low number and comparable sales.
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