Sterling silver brooch with cultured pearls by Mitsukoshi

This brooch was produced by Mitsukoshi, one of Japan's oldest and most prestigious department stores, established in 1673. During the mid-20th century, Mitsukoshi became renowned for exporting high-quality Japanese jewelry and decorative arts to Western markets, particularly pieces featuring cultured pearls—a Japanese innovation perfected by Kokichi Mikimoto in the early 1900s. The floral spray design reflects traditional Japanese aesthetics combined with Western brooch styling popular in the 1950s-1970s. This type of jewelry appeals to collectors of vintage Japanese export silver, pearl jewelry enthusiasts, and those interested in mid-century decorative arts. The original presentation box with the Mitsukoshi stamp adds significant provenance value, making it particularly desirable to collectors who appreciate complete sets with original packaging. Such pieces are valued for their craftsmanship, historical significance as examples of post-war Japanese luxury goods, and the enduring beauty of cultured pearls combined with sterling silver metalwork.