![UNITED KINGDOM - MAY 01: Lady Diana Spencer in her Ford Escort car watching Prince Charles playing polo at Windsor (Photo by Tim Graham Photo Library via Getty Images)](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/5QRAL62V2CGHHDNF5HO7SKQALU.jpg?smart=true&auth=ae1793f864e8dd212ea86d7409879d2d227480298531485c31d6dc351d1b611e&width=400&height=225)
Princess Diana pictured inside her Ford Escort watching Prince Charles play polo. Getty Images
Princess Diana pictured inside her Ford Escort watching Prince Charles play polo. Getty Images
Princess Diana’s Ford Escort engagement present to be sold at auction
The 1981 model, with a silver frog mascot on the bonnet, could sell for up to $56,640