Amazon.com: Hricane Professional Concert Ukulele 23 Inch for Adults, Koa Acacia Solid Wood Ukelele Beginners Kit Glossy Satin Finished Body with Gig Bag Tuner Strap Strings Set Pick : Musical Instruments
Martin C1K Koa Concert Ukulele Uke Satin Natural w/ Gig Bag – All Music Inc.
KoAloha KCM-00 Hawaiian Concert Ukulele Koa Wood High Gloss Finish – Island Bazaar Ukes
Hawaii Ukulele Concert All Solid Acacia Koa Wood Traditional Classic – Hawaiian Music Store – Koa Kalane
Kamaka HF2 Koa Concert Ukulele (#230786) – Easy Music Center
Martin T1K Koa Tenor Ukulele | Music & Arts
Martin Style 2K Concert All Solid Koa Made in America Ukulele w/ Case – Mim's Ukes