Antique opal ring, five stone ring opal 18kt gold ring hallmarked 1868-69

Antique opal ring set with five iridescent oval opals graduated in size on an ornate 18kt gold band.

Measurements and markings:
The setting at its widest part is 5.5mm, the band at the back 3mm. The opals are iridescent white opals with flashes of blues and greens. The central opal is 5mm, 4mm and 3mm. There are hallmarks for 18kt, Birmingham and a date letter 1868-9. Ring size L-M, Size 6. Rings can be re-sized for a small additional charge.

Condition:
The ring is in very good condition. One of the opals is higher than the others so may have been a replacement.