Before conservation the tapes show significant discolouration under the plastic carrier. Architectural drawing for School “Escoles Pies” drawn on onion skin paper and graphite pencil by the architect Barba Corsini (c.1960). It belongs to the Association of Architects of Catalonia (CoAC). The plastic tape has been removed and relocated again, replacing the fatty adhesive by an acrylic one applied by remoistening. More about Pressure sensitive tapes on paper and their conservation or Conservation treatment of this architectural drawing on onion skin paper with tapes.
