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First day cover envelope with 81/2p stamp commemorating Sir Derek Barton's work on conformational analysis
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First day cover envelope with 81/2p stamp commemorating Sir Derek Barton's work on conformational analysis, signed by Barton
Details
- Category:
- Experimental Chemistry
- Object Number:
- 1977-376
- type:
- envelope
- credit:
- Imperial College of Science & Technology