This military fan, potentially used by the renowned samurai Takeda Shingen of the Takeda clan, holds immense historical value, representing Japan's rich cultural heritage from the Momoyama Period.

The rarity of such artifacts, particularly those connected to significant figures of Japanese history, drives collector interest, especially among enthusiasts of samurai culture.

Given its provenance and condition, this piece commands attention in the collector market, with pricing reflective of both its historical significance and the current demand for unique Japanese antiques.

As one of the oldest known military fans in Japan, its authenticity and historical context significantly enhance its value among discerning collectors.