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First Floor Closed on Friday, November 1

Our first floor will be closed on Friday, November 1, including the Terrace Cafe and the Rosenthal Education Center (REC). Our second floor and Museum Shop will be open.

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Behind the Scenes in Conservation: Taking Care of Japanese Prints

by Cecile Mear, Conservator of Works on Paper

6/30/2023

CAMConservation , Toyohara Kunichika , ukiyo-e prints , kabuki actor prints , paper conservation

In 2005 the museum received a gift of Japanese art that includes ceramics, paintings, and prints. Now that our Curator of Prints Kristin Spangenberg has finished researching the 35 prints in this gift, I am reviewing their needs before moving them to their permanent storage locations.

Two of the prints stand out because of their intense color, interesting composition, and some unusual degradation. The color woodcuts by Toyohara Kunichika (1835–1900) from 1874 comprise a diptych, a pair of prints meant to be seen side by side. The figures in the prints are actors in elaborate costumes, and their portraits are arranged on vivid red backgrounds. The colors are unfaded, so we see the prints as the artist intended.

Both prints are attached to larger sheets of Japanese paper with masking tape at the top corners. The tape was probably attached many decades ago, judging from the dry, degraded adhesive. The condition of the adhesive should make it easier to remove the tapes without using organic solvents. 

In the center of both prints are small black dots and lines printed on top of the red background. The ink is thick and crumbling, unlike any of the other colors, and it does not match the black ink used in other areas. There are holes in the prints where the ink has degraded the paper, and it is now lost. Typical carbon black ink does not cause this kind of damage to paper. Analysis by X-ray fluorescence (XRF) carried out by Sean Minnick from Ethicon-Endosurgery, Inc., in 2022 did not reveal any elements in the ink that might indicate what kind of material was used to create the ink or contribute to corrosion of the paper. More research needs to be done to discover what Toyohara Kunichika used. In the meantime, to help prevent more losses, I will reinforce the passages with thin Japanese kozo paper attached to the backs of the prints.