Queen Elizabeth II’s driver’s license from her time in the British military is set to go under the hammer. The document, along with photos and other past belongings of various royals, is set to be auctioned at Reeman Dansie auction house in Colchester, England, next week, the BBC reported on Thursday. The then Crown Princess had completed her military service during the Second World War.

“The driver’s license is completely unique because I don’t think she’s ever had another, she didn’t need one because her cars didn’t need license plates either,” said auction house manager James Grinter. So far, up to 2000 pounds (around 2292 euros) are officially expected for the bill – with Grinter admitting that interest will probably “go through the roof”.

A former driving instructor in the military had arranged that the private collection should only be sold after the death of the monarch. Queen Elizabeth II died in September at the age of 96.