White-metal gilt square-headed brooch

Damaged bow brooch of silver gilt, length without terminal of foot, length 5.7cm. Rectangular headplate with worn relief border and inner frame with remains of nielloed triangles, double on outer, single on inner. At centre 2 crude spirals, around outer panel lines with cross-ties, all in deep chip-carving. Triple ridges down sides of bow and at sides of oval footplate; bow has two rows [of] nielloed triangles down median ridge; foot a diagonal fret pattern. End of foot broken and plate soldered onto back to re-attach foot. The metal looks like brass, but could be bronze - original? or old repair? On back twin lugs for missing iron spring-coil, broken catchplate.Continental Type 34 after Kühn 1974. – B.B.