Beautiful 9K gold Swivel pocket watch key c1888

This is a solid 9K gold pocket watch key with hallmarks for Birmingham 1888. The key has an outer shank decorated with pierced work, bright cut engraving and gold balls. This shank is tapered and topped with a suspension loop. The inner shank rotates and has a watch key – a size 2-3. The key is set with a red hard stone and a green bloodstone. Folded the key measures 28mm x 20mm and is in 90% mint condition – the winding end is slightly worn as are the balls on the main shank.