Solid-cast copper alloy figure of Osiris; damage to the top of the atef; incised collar; broken off at the top of the legs and fitted into a modern silver base.
- Found/Acquired: Egypt
- Height: 8.4 centimetres (approx)
- Width: 3.3 centimetres
incomplete and corroded
20 November 2000
. Remove blue corrosion on crown. Consolidate fragile area.
Turquoise blue corrosion product disfiguring the tip of the broken crown. This type of corrosion is being studied and analysed by David Thickett, Conservation Research.In this case it is possible that the blue corrosion may have formed as a result of a reaction between the copper-alloy and the waxy deposit in the crown,and/or the wooden storage drawers the object has been stored. As of the end of 2000,the collection has been relocated to metal storage drawers.The object will be moniterred to see if the blue corrosion returns. The incised decoration of the broad collar and faults in the surface have been disguised by the application of a pink waxy material. The object has then been coated with a thick dark brown lacquer possibly shellac. It is presumed that this achieved a desired smooth appearance for a bronze in the Townley collection.
The blue corrosion was removed as far as possible using local application of air-abrasive using sodium bicarbonate. Cleaned manually using scalpel and Industrial methylated spirits (ethanol,methanol) on cotton wool swabs.Some contaminated wax removed from the inside of the head, but further intervention would have disturbed what appeared to be the original core material. The modern silver base has been left. Remains of the modern surface coating have been left particularly on the back of the figure.Most of the pink material was removed from the surface manually using scalpelx20-40 magnification. Traces still remain if analysis of this material is required in future. Detail of gilded details were revealed.See description. The lacquer surface coating was removed from around the eye area using Industrial methylated spirits (ethanol,methanol) on cotton-wool swabs.The detail of the silver eye was revealed. This area was not cleaned as there appeared to be some original patination of the iris/pupil area which may relate to the original polychrome schema. It is unusual to decorate the eye on small statuettes in this way. The white of eye is more usually represented by the use of electrum of silver for the corners of the eye leaving the central area exposed. Object renumbered with Magic colour ink and brush.
Ancient Egypt & Sudan
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Object reference number: YCA23859
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