Before we discuss the price, could I read the certificate of authenticity?

How to say “Before we discuss the price, could I read the certificate of authenticity?” in Japanese

In Japanese

値段(ねだん)の話(はなし)の前(まえ)に、鑑定書(かんていしょ)を読(よ)ませてもらえますか？

Nedan no hanashi no mae ni, kanteisho o yomasete moraemasu ka?

Before we discuss the price, could I read the certificate of authenticity? in other languages