Observation of monkey-trainer netsuke provides valuable insight into the transition from the Foundation Age to the Professional Age of netsuke carving. The Sōken Kishō records the monkey trainer as the defining subject of the Insai studio. Research into that workshop suggests that many craftsmen trained there subsequently adopted the motif after establishing independent careers.
When a monkey-trainer netsuke by another artist demonstrates a clear reinvention of the subject according to that individual's own artistic vocabulary, while simultaneously retaining compositional and stylistic characteristics associated with the Insai studio and its other established designs, the motif becomes diagnostically significant. It provides evidence not merely of artistic influence but of workshop tradition, allowing relationships between apprentices, independent masters and their training to be reconstructed.
The monkey trainer therefore serves not only as one of the most enduring subjects in early netsuke carving, but also as a valuable diagnostic motif for tracing artistic lineage and the evolution of the earliest netsuke schools.
The merits of this dancing monkey-trainer extend well beyond its appeal as a finely carved early netsuke. Equally significant is its potential historical importance and the insight it offers into the identity and artistic background of its maker.
Research into the oeuvre of the Insai studio has demonstrated the remarkable breadth of subjects produced by that workshop. Among the designs carved on multiple occasions was the pest controller, a composition that shares important structural and compositional characteristics with the present work.
This dancing monkey-trainer appears to represent a creative synthesis of two established Insai studio subjects: the monkey trainer and the pest controller. Rather than simply copying either model, the artist has combined elements of both, reinterpreting them through his own artistic vocabulary. It is precisely this process of reinvention—retaining recognisable workshop characteristics while introducing an individual compositional approach—that provides valuable evidence for understanding artistic lineage and may assist in identifying the sculptor responsible for the work.
Who, then, was the sculptor?
Attempting to answer that question requires reconsideration of several long-established assumptions concerning the early history of netsuke-art.
Firstly, netsuke did not suddenly emerge during the late eighteenth century, as some traditional narratives imply. Rather, the history of netsuke is layered, extending at least into the seventeenth century. Current research suggests that the earliest artistic tradition may have developed, at least in part, from the workshops of inkan-shi (seal engravers), where many of the technical skills required for miniature sculpture were already firmly established. (Insai [印齋] means 'seal studio).
Secondly, there is little reason to suppose that Edo-period craftsmen were permanently tied to a single locality. On the contrary, the movement of artisans, apprentices and merchandise throughout Japan appears to have been a defining characteristic of the period. Workshop practices, artistic ideas and technical innovations were therefore capable of spreading far beyond regional boundaries.
Finally, the locations associated with artists in the Sōken Kishō should not necessarily be interpreted as defining their artistic identity or workshop affiliation. The precise significance of these geographical references remains uncertain. It is noteworthy, however, that one of the earliest modern writers on netsuke, F. M. Jonas—who lived in Kobe for more than fifty years—understood these place names to denote an artist's nativity rather than the location in which he worked. If that interpretation is accepted, many assumptions regarding the development and transmission of regional schools deserve renewed examination.
Historical evidence indicates that the movement of young people to undertake apprenticeships away from their place of birth was a well-established practice during the Edo period. Apprenticeship contracts were commonly arranged by parents with established merchant or artisan households, after which the apprentice would relocate to begin his training. Such mobility formed an important mechanism for the transmission of skills, techniques and artistic traditions throughout Japan.
This has important implications for interpreting the Sōken Kishō. If an artist is described, for example, as "Hoshin, a Keishi person", the geographical reference may denote his place of origin rather than the location in which he trained or worked. To understand Hoshin's artistic lineage, it is therefore more instructive to examine his netsuke themselves, comparing their stylistic and technical characteristics with those of earlier works. Such comparisons may reveal the workshop in which he served his apprenticeship and, consequently, the artistic tradition from which his work emerged.
In the past, a proposal that Hoshin may originally have served his apprenticeship in the Insai studio would likely have been dismissed on geographical grounds. Since the Sōken Kishō associates Insai with Osaka and Hoshin with Kyoto, the prevailing assumption has been that these references denote separate artistic traditions, making a direct relationship improbable.
A reassessment of Edo-period patterns of travel and apprenticeship invites a different conclusion. Osaka and Kyoto are separated by little more than thirty-five miles, a journey that could readily be completed on foot in two or three days. For young apprentices, relocation to another city for training was an accepted feature of Edo-period life. Consequently, geographical references in the Sōken Kishō should not be regarded as barriers to artistic transmission. Rather than excluding the possibility of an apprenticeship, the proximity of Osaka and Kyoto makes such a relationship entirely plausible and worthy of serious consideration.
For a detailed comparison between Insai and Hoshin studios, please follow the link.