Hello, Your item is a Japanese woodblock print titled Hanabi, depicting a traditional firework festival scene with figures dressed in summer yukata robes.

This piece belongs to the Shin-hanga or Sōsaku-hanga style of Japanese printmaking, which gained prominence in the late 19th to mid-20th centuries. The aesthetic and composition suggest influences from artists such as Kawase Hasui or Yoshitoshi Mori, known for their vibrant depictions of Japanese culture. Acquired in Tokyo in 1968, the print reflects the enduring tradition of Ukiyo-e and its evolution in the modern era. The black background with bursts of colorful fireworks creates a striking contrast, emphasizing the nighttime atmosphere often captured in such festival scenes.

Given the provenance and condition, Japanese woodblock prints from the mid-20th century by well-regarded artists typically hold strong collector interest.