The 20p piece is a rare “mule” coin dating from 2008, and fetched £90 at auction. The coin was minted without a date due to an error and quickly became a sought-after collector’s items.

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

Alex Natoli from Coinxchange said you could sell an uncirculated 2000 $1 mule coin for as much as $4,990 as they're fairly "elusive". But he goes through plenty of rolls of $1 coins and is yet to find ...

We are all being encouraged to check our change after a rare 20p coin sold for 485 times its face value this week. The 20p piece is a “mule” coin dating from 2008 and was minted without a date ...

A tiny and " unremarkable" error on your 20p coin makes it worth 485 TIMES its face value. One mistake made for the first time in 300 years caused 250,000 "mule ...