CAS 21 Number Plate
The known history of CAS21, bringing together documented vehicle assignments, auction sales, advertisements, photographs and other evidence.
Last checked by our plate checker: 15 Oct 2026, 08:03
CAS 21 (CAS21) – Number Plate History & Timeline
Also written as CAS21. History, past vehicles, DVLA records, auction sales, advert appearances, spotted photos, pictures and images for number plate CAS 21.
On Vehicle
Currently on a 1998 Black Mercedes SLK
Sold
This number plate was issued at a DVLA auction in June 2001.
It sold for a hammer price of £2,900 and a total of £3,748 including fees and taxes.
Accounting for inflation, that's £7,206 in today's money.
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What is CAS 21 worth?
The value of CAS 21 is influenced by its dateless format, the relevance and popularity of the letters CAS and comparable sales.
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