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A 19th century photo album was donated to the Hercule Florence Institute collection. After going through thequarantine, it was discovered that the album was contaminated by anobides. The album was sent fordisinfestation treatment by ionizing radiation processing at IPEN. The dose applied was 3 kGy for the immediateeradication of the insects. Colorimetry analysis performed before and after irradiation found that treatment withionizing radiation did not affect human color perception in the album and the photographs present.