Metal inlay (damascening)
Precious-metal inlay, known in Norwegian as tusjering or tausjering, is decoration made by hammering softer precious-metal wire or thin sheet into recesses in a harder metal. Gold or silver can form contrasting patterns in iron or steel. The inlay is held mechanically in place.
Recognising the technique
Examine the meeting points between the decoration and its metal support. Visible inlay may follow engraved channels to form lines, figures or fields. Related decoration can be fixed to a finely crosshatched surface. The English term damascening covers several such approaches. Not every golden pattern on dark metal has therefore been made in precisely the same way.
Checks for collectors
Ask for close-up photographs of worn areas and the edges of the decoration. Describe losses, loose inlays and earlier interventions without trying to push the metal back into place yourself. A gold-coloured pattern does not by itself establish that gold is present. Materials, workshop attribution and origin should have independent documentation. Do not treat the technique's name as a precise date or as grounds for assigning an unmarked object to a particular maker.
Sources
SNL: tusjering; The Metropolitan Museum of Art: Damascening.