Diamond, Emerald, Ruby, Gold Guitar playing Frog Brooch

Delightful diamond, ruby and emerald set musical frog brooch 1990, finely modelled in 18ct yellow gold and platinum, the head pavé-set with round brilliant cut diamonds and the eyes with emeralds, each wearing a waistcoat with ruby buttons and a diamond-set bow tie and playing guitar with single pin brooch fitting to the reverse.