Silver penannular brooch; plano-convex section, hollow at centre, narrowing to ends; central relief interlace knot flanked by animal masks and incised foliate decoration; polyhedral terminals with niello inlay; sub-triangular pin-head; punched and incised geometric decoration. Bijoux, Gotland, Archaeology, Brooch, Museums, Antique Jewelry, Iron Age, Jewelry Art, Viking Age