No reserve - Mellerio dits Meller, a Retro ruby and diamond ring, 1930s, set with an oval ruby, to a
No reserve - Mellerio dits Meller, a Retro ruby and diamond ring, 1930s, set with an oval ruby, to a gold mount set with circular-cut diamonds and a line of channel-set calibré-cut rubies, size J1/2, signed Mellero dits Meller, numbered 625.B, indistinct French maker's mark