Certainly, here's a rephrased version of the information you provided:
Cultural and Temporal Context: Reflecting both Celtic and Viking influences, crafted during the 9th to 10th centuries
Excavation Location: Unearthed in Europe, specifically in the British Isles, in North Yorkshire, as part of the Goldsborough Hoard
Materials: Made primarily from silver
Physical Dimensions:
- Height: Approximately 76.80 millimeters
- Weight: Approximately 71.07 millimeters
- Width: Approximately 87.15 millimeters
- Depth: Approximately 9 millimeters
Description: This silver brooch is designed in the shape of a feather. It features animal heads connected in a hoop with a feather motif. Openwork animal figures extend around the brooch. Notably, there is no pin attached to this brooch.