PUC-20-OR Korala concert ukulele polycarbonate PUC-20-LBU Korala concert ukulele polycarbonate PUC-20-PK Korala concert ukulele polycarbonate HH 2258 Cascha carbon fiber concert ukelele with softcase HH 2280 Cascha carbon fiber concert ukelele with softcase HH 2286 Cascha carbon fiber concert ukelele with softcase HH 2287 Cascha carbon fiber concert ukelele with softcase HH 2288 Cascha carbon fiber concert ukelele with softcase HH 2289 Cascha carbon fiber concert ukelele with softcase