The barrel has extensive relief chiseling/engraving depicting a mythical bird, possibly a phoenix (Hou-Ou) or Basan. The bore is oval at the muzzle and measures approximately .34 by .36 inches. A triangular front sight it on top of the muzzle, and there is a grooved block rear sight near the breech followed by a Tokugawa clan mon. A mum inlay is opposite of the lock. The fruitwood stock is otherwise mostly plain.

Exceptionally fine overall with crisp designs, aged patina, and minor overall wear. The stock is very fine and has light handling and storage marks and minor edge wear. Mechanically fine.