On offer is a beautifully set amber pendant on 925 silver with rope necklace. Both clearly marked 925. The stone has not been tested and could be bakelite / resin.
 
Chain Length:  49.5 cm / 19.4 inches;
Chain Width: 0.4 cm / 0.15 inches;
Pendanr Length (including loop ):  7.5 cm / 2.9 inches;
Pendant Width (widest area): 4.5 cm / 1.7 inches;
Total Weight: 40.7 grams;
Stone:  Amber , Resin ... not tested.