Vintage 900 Silver Germany Ornate Pendant Necklace Likely Citrine Baroque Rococo

Vintage 900 Silver Germany Ornate Pendant Necklace Likely Citrine Baroque Rococo Pendant is signed with half moon and crown followed by 900, chain is signed 835. Era is likely 50s but could be earlier. Stone tested with mohs hardness kit to exclude glass and UV to exclude dyed amethyst