Platinum: white koi with scales. Silver metal. The kanji (Japanese characters) on this pin says, "Ojiya". Ojiya, Japan is famous for being the birthplace of ornamental colored carp, known as "nishikigoi".
50% of the profits from these pins will go to benefit Ojiya Study Abroad, a Japanese language and culture study abroad program.
This pin is 45mm (1.77in) across, and has two pinbacks.