An article of precious metals can be marked with a date mark, which indicates the year of manufacture or import of the article. Is a precisely specified combination of a letter and a digit. Tukes maintains a record of approved date marks; a link pointing to this record is located on the right
Marking an article of precious metals with a date mark is a voluntary but a recommendable means of indicating the manufacture or import date of an article. With regard to the product’s history, the year of manufacture is a vital piece of information.