Viking Les Paul - Hutchinson Guitar Concepts. I could probably mimic this with some old barn wood, the metal I could forge. The tuning knobs are very inexpensive and clearly just darkened with ferric acid and buffed. The tone and volume dials on the body though... and the knots... tricky, but FUN.
Disc Brooches from Viking York. The prime function of these brooches was as dress fastenings. They were frequently made of base metals, as is the case with all those shown here, but they were often highly decorated.