Stamp |
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Steroids - Conformational Analysis, 8½p |
|
 |
Vitamin C - Synthesis, 10p |
|
 |
Starch - Chromatography, 11p |
|
 |
Salt - Chrystallography, 13p |
First Day Cover |
 |
British Achievement in Chemistry |
Presentation Pack |
 |
British Achievement in Chemistry, Pack 92 |
PHQ Cards |
 |
British Achievement in Chemistry |
A3 Poster |
 |
British Achievement in Chemistry |
|
 |
British Achievement in Chemistry |
Poster |
 |
British Achievement in Chemistry |
|
 |
British Achievement in Chemistry |
Other First Day Cover |
 |
British Achievement in Chemistry |
|
 |
British Achievement in Chemistry |
Harrison Pack |
 |
British Achievement in Chemistry |