Reserve Bank Of India [RBI] — about scam on online website like olx

Address: Indore, Madhya Pradesh, 452001

Website: Olx.com and also email of bank penfedonlinetransactionfund@mail.com

I sold a old coin on olx to an American person in 8 lack how's name is Frank A Collins's he told me "I transfer money through wire transfer when you send courier tracking no. to my bank". Which is penfed bank of America I fill all requirements that his bank want. After that they give me some account no. Of his bank representative and told me "you have to pay 10000 rupee as tax fee after that you receive your money". I pay it.than after some day they ask for money for some activation fee and say same thing that "you have to pay..."which is 15000 i also pay. Yet they don't pay my money than they ask for more money as a swift code fee.than i told them this is scam than some his bank manager told me this is not scam you have to pay for swift code than you receive your money immediately after that no process left so i pay it also than they ask me more for some activation fee.than i really found this is scam
So my request please help me to get back my money and coin i have account no. On which i transfer money and also contact no. Of person and also id no. Of Mr. Frank.