Enamel Koi Fish brooch pin

Spectacular Koi fish pin brooch, unsigned, attributed to Monet, a popular American costume jewelry brand, the brooch is made out of gold plated metal accented with red and green enamel, lovely detailed fins and tail, with clear crystal eyes, overall the brooch is in great pre-loved condition, some minimal wear/aging signs as seen in the photos, nothing major, from a non-smoking environment, measures 5 cm x 3.3 cm.