The engraving laser is used for the removing of the FR4 material. Despite the ‘LACED’ acronym standing for Laser-Controlled Etching and Delayering, the chemical method (s) and laser steps are ...

Restoration crews at Wawel Royal Castle have uncovered a centuries‑old brass signet ring whose finely cut bezel bears a craftsman’s emblem framed in a German‑style shield and the letters ...

A 16th century brass signet ring was discovered in the rubble of a monument in Poland, photos show. It has an oval shield and what appears to be initials.

As tradition dictates, the late pontiff’s signet ring will be destroyed — or defaced, at least — within the walls of the Vatican.

As tradition dictates, the late pontiff’s signet ring will be destroyed — or defaced, at least — within the walls of the Vatican following his death on Easter Monday.

As tradition dictates, the late pontiff’s signet ring will be destroyed — or defaced, at least — within the walls of the Vatican following his death on Easter Monday.

As tradition dictates, Pope Francis' signet ring will be destroyed - or defaced, at least - within the walls of the Vatican following his death.