Hallmarked silver that is at least 95.8 per cent pure.
不列颠银
Example sentencesExamples
A 2006 Britannia silver coin, appropriately struck in Britannia silver, sparkles in an elegant presentation case to make a wonderful gift for a new arrival.
Although the use of the Britannia silver standard was not compulsory after 1720, it is still an authorized alternative.
Appleby also designed medals and a group made between 1972 and 2005 from various metals including steel, gold, silver, and Britannia silver is on display at the exhibit.
I know you dropped it, but the fact that Britannia silver is more pure than regular sterling should do something well for the tone.