Stamped 375 (9K) to the semi circle bar. Measure 24mm high x 18mm wide & weighs approx 6.3 grams. The key is for show and is not needed to open it. Nice condition.
Weighs approx 2.5 grams & measures 23mm high x 21.4 wide. Stamped 9ct to rear and came from New Zealand, no other history is known about the item. Very nice condition.