Circa 1950's, these vintage pearl cluster earrings from Mikimoto of Japan are beautiful eye-catching works of art! Two floral bouquets of lustrous pearls ( June Birthstone ) flow upward and out of asymmetrical hand engraved millgrain edged leaves in a fascinating Mid-Century Retro Moderne design in sterling silver. Each earring features six lustrous pearls ranging in size from 4 to 4.15 millimeters each. Perfect to collect and wear, these gorgeous classic antique Mikimoto earrings have non-pierced screw backs and measure 11/16 inch high and 3/8 inch wide. The Mikimoto hallmark of an "M" in an oyster shell is clearly visible on the screw back of each earring.