Current Pictures (various views),
Dimensions written down (height/weight/length),
Electronic Tagging (number/frequency clearly stated),
Tattooing (and the location of it written down),

It's possible that I've misunderstood the intent of this Thread, but
it seems like it would be more effective, if one was prepared to hand
someone a "Packet" of information, where a total stranger could
identify your animal.

Have a good Day !
S.W.