https://www.avient.com/content/terms-conditions-carriage
If upon inspection it is ascertained that the articles shipped are not those described in the bill of lading the freight charges must be paid upon the articles actually shipped.
No carrier hereunder will carry or be liable in any way for any documents, coin money, or for any articles of extraordinary value unless a special agreement to do so and a stipulated value of the articles are endorsed on the bill of lading.