Collar Dogs

I purchased a set of Dog tags about 5-6 years ago.

Its been interesting to read pervious trends though not sure if this name as come up:

I have the following tags:

62454 Costelow CE 25 RWF

I know they became part of the Welsh Horse, but in the books I have got his name does not appear.

so if someone can help.

Here he is:
Kind regards,
Lars