A ten-pound banknote has sold for more than quadruple its monetary worth due to its special serial number, and you could potentially have a similar one in your possession.

The currency item achieved a price of £42.30 on an internet auction platform last month thanks to its unique serial digits.

The paper money features Queen Elizabeth II on one side and novelist Jane Austen on the reverse, and it also includes an unusual manufacturing defect.

A light purple ink mark appears near the bottom of the note, below the words Ten Pounds.

The bill apparently became even more appealing because of its duplicated serial number, which displays DE10 300300.

Banknotes with serial numbers that repeat such as 123123 or 010101, or include sequences like palindromes (which look the same forwards and backwards, for instance 123321), generally attract premium prices from hobbyists.

The combination of the note’s production flaw and mirrored serial digits seemingly caused its value to climb substantially, with the listing describing it as something collectors are actively seeking.

The advertisement highlighted that the unusual £10 note displays an ink flaw and a distinctive serial number of 300-300, making it a desirable item for British currency hobbyists. The used note, obtained from England during Queen Elizabeth II’s reign, possesses particular appeal because of its unique characteristics and scarcity. It was noted as ideal for collectors wanting to include a one-of-a-kind item in their banknote assortment.

An eager buyer obtained the note for the £42.30 buy-it-now cost plus £2.75 for delivery.

This indicates the banknote sold for just over four times its face value and will likely prompt British citizens to inspect their currency for similar imperfections.

Plastic ten-pound notes showing Queen Elizabeth II and Jane Austen were first introduced for circulation by the Bank of England in 2017.

After Queen Elizabeth II passed away, notes bearing an image of King Charles III were initially released on June 5, 2024.

Banknotes with Queen Elizabeth II’s portrait continue to be accepted as legal tender and circulate alongside King Charles III varieties.