A longer form of the mark, described by satsuma-database as reserved for exceptional pieces and documented on a large early charger with a white elephant and children.
“Dai Nihon Meizan sei” (大日本明山製)
Authentic features
Bonhams, New York, 2022, sale 27600 lot 710, signed "Dai Nihon Meizan sei", compared by Bonhams with a near-identical Khalili charger.
Common forgery flags
"Dai Nihon" with another name, or with crude calligraphy, is not a Meizan mark. Note the period imitation mark "Dai Nihon Teikoku Kaga Kanazawa Meizan sei" recorded by the Osaka Museum of History.