I enclose the bottom copy with my countersignature.

随函敬附已连署的合约副本。

youdao

We return one copy of the contract with our countersignature for your file.

我们退回一份我们已会签的合同供你方存档。

youdao

We return one copy of the contract with our countersignature for your file.

我们退回一份我们已会签的合同供你方存档。

youdao