Stamps of Ireland, Irish Scientific Discoveries issue
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postage
2018, Sep 6 Irish Scientific Discoveries issue unwmk (no perf info)
| - | 1€ | multi | New Form of Light | |||
| - | 1€ | multi | Mackerel Bacteria Kills Superbugs | |||
| - | 1€ | multi | Emission Adsorption of Gases | |||
| - | 1€ | multi | Recognition of Neonatal Seizures |
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