Stamp |
|
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 |