Mikimoto Sterling silver 5.7mm Akoya Cultured Pearl cufflink in box GS447

Fine MIKIMOTO Cultured Akoya Pearl Sterling Cufflinks - Mid-Century Modern What a great pair of vintage cufflinks! The pearls are 5.68mm. They are signed with the initial M inside a shell Sterling. The front measures 20.0 x 15.0mm, weight 10. grams. It comes with the original box