This interesting set was issued by Somalia to celebrate the 50th anniversary of rock 'n' roll. Each "coin" is a different model of guitar. The designs include an American flag Stars and Stripes Gibson Flying V, a black Gibson Flying V, a pink star Guitar used by various rock stars including Gary Glitter and Abba, a blue Gibson X-Plorer and a yellow Klein. Made of Silver-plated copper-nickel, they are layered in multiple colors of enamel. The back of each has the Somali Republic coat of arms surrounded by ONE DOLLAR & 2004. A neat collector's item! Comes to you in a leather-bound wooden display case with perfectly shaped guitar cutouts for each coin!