In reply to Clauso:
> (In reply to Dr.S at work)
> [...]
>
> The scores are descended from the Hindu-Arabic numeral system developed by Indian mathematicians, in which a sequence of digits such as "975" is read as a single number. The Indian numerals are traditionally thought to have been adopted by the Persian and Arab mathematicians in India, and passed on to the Arabs further west.
975 is sterling silver.
Although it might be 925 now that I come to think of it.