Fossil ID: Fossilised Horse Tooth?!

[LeahD]

Hey folks, 

Found this fossilised tooth straight from the surf at Hove Beach in Brighton, Sussex UK. 

Assuming it's a horse tooth? Any better ideas? Also, any clue on age? It's my first ever find, so I have no idea what I'm looking at... 

tooth.mp4

[Harry Pristis]

I believe it's a bovid upper molar; judging by the size, a cow tooth.