This is a rare and unique Hawaiian made all USA ukulele. Hard to find it is of exquisite workmanship. All handmade in their Honolulu workshop it is all solid koa. Made in Hawaiian not some overseas factory then finished in Hawaii but completely handmade in Honolulu. Imua is the result of the collaboration of Jorma Winkler who is a fine wood and koa specialist and luthier Shinjo Takahashi. The result is a beautiful sound with gorgeous wood. This is the Soprano model with a serial number of 54 and is the 54th Soprano model IS built. Included is a Oahu wood hardcase. This is in beautiful mint condition with no defects or blemishes. Hawaiian koa and Hawaiian made where else can you find this value