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A Question of Attribution
- Blwyddyn: 1991
- Gwlad: United Kingdom
- Genre: Drama, TV Movie
- Stiwdio: BBC, GBH
- Allweddair: spy, art restoration
- Cyfarwyddwr: John Schlesinger
- Cast: James Fox, Prunella Scales, Geoffrey Palmer, David Calder, Ann Beach, John Cater