May be of interest to someone 
GLZ 4
http://www.ebay.co.uk/itm/GLZ-4-CHERISHED-PRIVATE-NUMBER-DATELESS-PLATE-GL-GARY-GAV-GLEN-GARETH-GARTH-Z4-/161605321477?pt=LH_DefaultDomain_3&hash=item25a06d8305
EFZ 4
http://www.ebay.co.uk/itm/EFZ-4-NICE-SHORT-SINGLE-NUMBER-DATELESS-CHERISHED-PRIVATE-PLATE-DVLA-REG-EF-Z4-/400852854551?pt=UK_Cherished_Numbers&hash=item5d54b12717
GLZ 4
http://www.ebay.co.uk/itm/GLZ-4-CHERISHED-PRIVATE-NUMBER-DATELESS-PLATE-GL-GARY-GAV-GLEN-GARETH-GARTH-Z4-/161605321477?pt=LH_DefaultDomain_3&hash=item25a06d8305
EFZ 4
http://www.ebay.co.uk/itm/EFZ-4-NICE-SHORT-SINGLE-NUMBER-DATELESS-CHERISHED-PRIVATE-PLATE-DVLA-REG-EF-Z4-/400852854551?pt=UK_Cherished_Numbers&hash=item5d54b12717