The best American standard of 14K gold fill was used: 17" fancy long short paperclip chain with tab signed: MIMI. The 1 1/16" shell button is a gorgeous coppery, bronze, rum raisin tint in fabulous condition with a black japanned back marked: PB & C0 Deponirt. Ears: The borders even match! The center cut steel rivet is 12 facets while the 6 point "flower" may be stamped. Stunning. 1/2" across; Including hand wrought earhook: 1 1/6" north to south.