I enjoy personalizing my instruments with simple carvings in the peg area. Small decorations like this can be added to any instrument for $40.
A fleur-de-lis
An owl
A nightingale
A Fightin' Blue Hen, University of Delaware mascot.
A bee
A cat's paw
Depending on the instrument, more extensive decoration is available, price negotiable.
An owl pegbox (front)
An owl pegbox (back)
Eagle heads on monochords
Dragon head on tromba marina
Lion head on tromba marina
Decorative back of a citole
Rose on a citole
Ram roses on dichords
Soundhole on a trichord
Deluxe soundholes on monochords