Augustino LoPrinzi is a famed ukulele and guitar maker who has designed instruments for the likes of Fender, Martin and Guild. Nowadays he's making his own ukuleles with his daughter Donna Lo Prinzi in Florida.
As you would expect with a pedigree like that, his instruments aren't cheap but they come with a great reputation.
The most striking feature of many of many LoPrinzi ukes are their unusually placed sound holes as you can see in this clip:
musiciguymic demonstrates a LoPrinzi Nova tenor ukulele.