You are so lucky, you have received the real stuff ! I guess you are already in the Bob's Repair telegram group, so you should check the pinned message from there where it says this: "Received BOBx? Please Pm @bobsrepair or @alexchristopher
Our Airdrop is closed and in order to be eligible you need stay in our telegram and continue following us on twitter. "
By the way, 1500 BOB coins = 150$ !