In the context of Bust portrait of Actor Kataoka Ichizō I, explain the Artist of the Print details.
The print's attribution is a subject of some contention. Copies of the print belong to at least 2 public collections: that of the ROM, and that of Boston's Museum of Fine Arts. According to its labeling, these institutions disagree on when and by whom it was produced. The problem lies mainly in the fact that the print has no date stamp and is signed Sadamasu ga [貞升画], a name used by two nineteenth century Osaka print-makers: Sadamasu I and Sadamasu II.
Sadamasu Osaka