Pebble Pendant 18k Gold English Hallmark Vintage 1977.
The gold hallmark is to the front, this is where you see the date letter for the year 1977 along with the lion head for the London assay office. The makers mark is also here which reads 'RcD'.
Size including bale 3.0 x 1.8 cm or 1.2 x 0.7 inches.
Weight 17.3 grams or 11.16 penny weight.