Pieces that bear a Meizan inscription but which specialist auction houses catalogue as after Yabu Meizan, outside the studio.
Inscribed pieces catalogued “after Yabu Meizan”
Lookalike / other decorator: this mark is documented for comparison and is not attributed to the Yabu Meizan studio.

Authentic features
Not applicable. Examples: Bonhams 2017 (sale 24293 lot 1287), a covered vase inscribed "Meizan"; Bonhams 2026 (sale 31888 lot 1066), an incense burner inscribed "Yabu Meizan".
Common forgery flags
Painting that lacks the studio's minute detail, despite a correct-looking inscription.