1920s Onyx Lion Intaglio Pendant black opal It's carved from a single

It's carved from a single piece of bowenite - a form of jade - with silver fittings for wear as a charm or pendant

The arrow itself is set with rose cut diamonds and features a flower in the middle with further diamonds and a pearl centre

take for example an advertised attraction from the 1933 fair for "Oso the Bear Boy"

Lapis lazuli & Diamond

1920s Onyx Lion Intaglio Pendant black opal It's carved from a singleDATE: Art Deco, c. 1920 Striking antique fob pendant dating from the 1920s. The main feature is an oval onyx panel, intaglio carved with a lion and mounted in a 14 karat gold collet setting. Originally designed to be worn on the end of a pocket watch chain, it'll make an excellent pendant or even work well as a large charm. STONES Onyx MEASUREMENTS 1. 7 x 1. 9cm (not including jump ring) WEIGHT 2. 9g MARKS Stamped 585 (later added) CONDITION Very good