FV1801 and a War Department census number on the Champ; BMC model codes (G4M10, G4M15) and a chassis serial on the Gipsy.
- 1951–1956 (Champ)FV designation + census number
- 1958–1968 (Gipsy)Model code + serial
Chassis numbers
Champs are identified by the FV1801 designation and their War Department census number; Gipsies by the BMC model code (G4M10, G4M15, GS4M) and chassis serial on the bulkhead plate.
FV1801 and a War Department census number on the Champ; BMC model codes (G4M10, G4M15) and a chassis serial on the Gipsy.