Goya with tape & matburn
Aun Podrán Servir (They can still be of use) by Francisco de Goya, Plate 24 from Los Desastres de la Guerra (The Disasters of War)
Drawn and etched about 1810–14; published 1863; Printing ink on wove paper
Dry surface cleaned. Mechanically reduced the pressure sensitive tape and residual adhesive as possible. Washed to improve the flexibility of the paper and reduce acidity and discoloration. Selectively used solar bleaching and other chemicals to reduce the appearance of the matburn.