What do the letters and numbers on my silver jewelry mean? Unusual jewelry symbols — mystery solved FAQs about jewelry stamps ...

These letters are also known as symbols ... The formula is made up of symbols and numbers. The numbers are written as subscript, which means they are smaller than the symbol, and slightly lower ...

The ECHO asked The British Beer and Pub Association (BBPA) to offer some insight into the reason behind each letter, number and symbol. For example, 'M25' indicates its metrology marking and the ...