A dragon saya is defined by the deliberate incorporation of dragon imagery into the scabbard's finish - not simply a generic lacquer color. In this collection that takes several forms: hand-painted dragon scenes applied over black or brown piano lacquer, gold-foil stamped relief patterns, bronze kanji saya with dragon-themed engravings, and dragon-motif lacquer work in multiple colors. The distinction matters to collectors because the quality of the artwork directly affects display value. Piano lacquer saya, for example, require multiple coats of urushi-style lacquer buffed to a high gloss before any artwork is applied - meaning the dragon motif sits on a finished surface rather than a raw wood base. When evaluating a piece, look at the sharpness of the dragon's linework and whether the imagery wraps the saya consistently or fades at the edges.