WW2 National Air Raid Precautions Animals Committee collar badge

A scarce original Second World War period 'National Air Raid Precautions Animals Committee celluloid identity disc', impressed with official Registration Number "A 564071", the reverse reads "Finder Please Report This Number To Nearest National Animal Guard". Very good condition, colour remains bright.
Diameter 31mm.

The National Air Raid Precautions Animals Committee was established to ensure the well-being of domestic and working animal under war conditions, a national register was set up and registered animals were issued with a NARPAC numbered disc attached to a collar as identification.