Very occasionally the machines would just generate an unused and unusable ticket just showing 01, to balance this a valid ticket would have the 01 missing.
Sydenham 01 - PERTIS Permit to Travel - London SE26 -replaced Sydenham London 01
Marden 01 - PERTIS Permit to Travel - Kent TN12 - replaced Marden Kent 01
Knockholt 01 - PERTIS Permit to Travel - Kent postal TN14
Kemsing 01 - PERTIS Permit to Travel - Kent TN15
Lye West Midlands 01 - PERTIS Permit to Travel - West Midlands DY9 - Centro
Maidstone West 01 - PERTIS Permit to Travel - Kent ME16
