LOL! Don't worry about it. Are you saying that you can see "horns" on your "horse" which would make it a bull?
Actually yes, despite the fact that in Greek mythology some horses have horns and even wings. Anyway, the coin at hand I could recognize the 2 Greek letters H and L ( Lamda ) respectively over the beast. There are a few other letters as well.
The winged horse is Pegasus. The only horse with a horn that I know of is the Unicorn but I haven't seen a greek coin with a unicorn on it. If there is one I would love to see it.
Thanks! One of the reasons I love the second coin is the obverse. You don't find these very often where EVERYTHING: Driver, victory, horses, sea serpent, and the vehicle wheels are all on the flan!