Certainly, here's a rephrased version of the text you provided:
Cultural and Temporal Context: Reflecting Viking culture, crafted in the 9th century
Discovery/Acquisition Location: Found in Europe, specifically in Scandinavia, Norway, in Akershus County, at Ullensaker, Gislevoll
Materials: Crafted from copper alloy
Craftsmanship Technique: Created through casting and the application of decorative elements
Description: This is a two-piece copper alloy oval brooch with a domed upper shell. It is adorned with nine applied bosses and features openwork decorations in the form of a beast-catcher and lattice-framed bird motifs. The brooch exhibits evidence of an antique repair, and imprints of textiles used in the casting process are visible on the reverse side.