Portuguese gold is one of the highest quality in the world, due to its legal touch (per thousand of precious metal contained in an alloy).

However, not all Portuguese gold is 19.2kt ( 800 thousandths). In Portugal, the maximum permitted gold content in a piece of jewelry is 22kt, but the vast majority of national jewelry is made of 19.2kt gold.

For 19.2kt Portuguese gold to be genuine, the piece must have the following hallmarks and responsibility markings .