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| koppartryck | |||
| djùptryck | |||
| intaglio | |||
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| koppartryck | |||
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impression taille-douce : 5 phrases in 2 subjects |
| Communications | 4 |
| Life sciences | 1 |
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| koppartryck | |||
| djùptryck | |||
| intaglio | |||
| |||
| koppartryck | |||
|
impression taille-douce : 5 phrases in 2 subjects |
| Communications | 4 |
| Life sciences | 1 |