Please check that each silver tray carries the official hallmark before we ship it.

出貨前請確認每個銀盤都有官方認證標記。

The customer asked whether the necklace had a genuine hallmark proving its origin.

顧客詢問這條項鍊是否有證明產地的真品認證標記。

Our auditor confirmed the hallmarks on the gold bars matched the supplier's invoice.

我們的稽核員確認金條上的認證標記與供應商發票相符。