The vast majority of sterling items manufactured in the 20th century are marked as such, either with a “sterling” or “.925” stamp or hallmark.

Hallmarks required on continental jewelry ... Silver is hallmarked similarly. Sterling silver is, in most countries, ...

Both the vehicular fire and the cloned plates – a duplicated numberplate from another car of the same make, model and colour – are hallmarks of underworld shootings. Public place shootings ...