An Edwardian opal, enamel and seed-pearl pendant, 26 February 1907 modelled with a pair of enamelled dolphins decorated in shades of iridescent green, their mouth's with seed-pearl drops, flanking a collet-set oval cabochon-cut opal drop weighing approximately 6.00 carats, set with fine gold wire scroll motifs and a closed-back enamel pear-shaped drop pendant below, headed by a cabochon-cut opal, seed-pearl and openwork gold wire bale, the reverse engraved with the initials J.W.B. and J.C.W, with the date 26.2.07, the reverse compartment of the opal formerly glazed, length approximately 75mm