Hi Deen --
Authenticating coins from Internet photos is not really possible, but your coin looks genuine to me. It also has a shiney appearance, which probably indicates some type of harsh cleaning, with chemicals.
I have included a large photo of a genuine Vespasian denarius. You should compare your coin to this photo. Also, here is the detailed description of the coin in my photo:
Denarius. Minted 69-71 AD VESPASIANO, TITO and DOMICIANO. Anv .: IMP. CAESAR VESPASIANVS AVG. Vespasian laureate head right. Rev .: CAESAR AVG. F. COS. CAESAR AVG. F. PR. Uncovered heads of Titus and Domitian face to face. 3.09 grs. AR. VERY SCARCE. C-5. BC + / BC. Starting Price: 50 EUR ...