First of all excuse my English.
As known in the twelfth century swords had recorded, and had engraved brass in them, my question is how they did, I think this is exemplified not know if this was right

http://webcollection.landesmuseen.ch/de/php/z...stellbar=1

Ar you sure this is brass? Later exclusive blades were decorated with gold or silver inlays.

Hey Luis, don't sweat it1 Your English beats my Spanish any day!

I'm not a metal worker but someone here showed how they did gold or silver inlay on a seax blade not too long ago and essentially they used burins to make a groove that was essentially a dovetail when looked at in section and then the metal was hammered into the groove which caused it to expand into the wider area on the bottom of the groove, then the excess metal at the top of the groove was removed and the inlay was complete. That's a quick and dirty explanation, I'm sure there is a lot more complexity involved.