Letters first: Issued by Buckinghamshire C.C. in 1952

Numbers first: Issued by Buckinghamshire C.C. in 1960

Assigned (8)

PPP 333 - 2010 Alfa Romeo (Last V5c issued: September 2013)

PPP 555 - 1969 Alfa Romeo Giulia (Last V5c issued: October 2019)

PPP 666 - Land Rover Discovery (Last V5c issued: April 2014)

111 PPP - 2014 Jaguar XK (Last V5c issued March 2020)

222 PPP - 2015 Jaguar F-Type (Last V5c issued: December 2017)

333 PPP - Citroen C3 (Last V5c issued June 2016)

777 PPP - 2023 Mercedes (Last V5c issued: March 2023)

999 PPP - 2014 Bentley Continental (Last V5c issued: December 2015)

Known to be on retention (1)

444 PPP

Unaccounted (9)

PPP 111

PPP 222

PPP 444

PPP 777

PPP 888

PPP 999

555 PPP

666 PPP

888 PPP