31 OO private number plate

31 OO has a clean, purposeful aesthetic, pairing a low numerical value with identical repeating letters. The format consists of two digits followed by two letters, resulting in a short, four-character layout that is symmetrical and highly legible.

The repeating OO provides a distinct visual signature, often sought after by collectors who value balance and rhythm in a registration. Because of its concise length and the nature of the repeating character block, the registration carries a strong, uncluttered visual appeal that works well across a wide range of vehicles. While the initials OO are widely encountered, the combination with the number 31 creates a tidy arrangement that is generally more sought after than longer or more complex alternatives.

The format follows a classic dateless structure, a style that provides a timeless aesthetic for any vehicle. This registration was first released to the open market via DVLA auction in 2010. It sold for £4,500 (hammer price). With auction fees, the estimated total paid by the buyer was £5,684.

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