This is a Vintage Danish Modern pewter necklace by Linsgård, Denmark, circa 1960s–1970s. Sculptural sunburst pendant suspended from vintage red glass barrel shap beads connected with metal throughout.

Maker: Linsgård (Denmark)
Material: Pewter
Stone: Red glass or composite cabochon (commonly used by Linsgård)
Design style: Scandinavian Modern / Brutalist
Era: 1960s–1970s
Hallmarks / construction details that match Linsgård
Heavy pewter with dark gray patina
Cast sunburst / radiating cup motif
Hollow cylindrical terminals (signature design element)
Toggle-ring clasp commonly paired with their necklaces
Organic, architectural symmetry typical of Danish modernist jewelry