Topic: Where to find a "SCL3711" at the best price?

Hello, I am looking for a SCL3711 cheaply. I saw on Ebay for € 42 delivered to me but I think it's a copy because there are no markings and it comes from China.
What do you think? Where did you buy yours?

French beginner in RFiD.
Maybe you can help me? Contact : la.fouine44@hotmail.fr