Silver and black butterfly shaped screw-back earrings. Marked SIAM STERLING on the base of the earring and NTRA on the screw.
On each wing is a dancing figure, with three sections of the butterfly's body well defined, with antennae pointing upwards.
Earring is 1 inch in width at the upper wing and 1 inch in length from the top of the antennae to the curve of the earring back.