Corrosion
IRI: http://nomisma.org/ontology#Corrosion
Class instances: nm:corroded, nm:heavily_corroded, nm:lightly_corroded, …
Object property: nmo:hasCorrosion
Note: Degradation to a numismatic object due to chemical reaction with its environment.
Examples: coin has wear, slight corrosion on several spots.
Use case:
RDF/XML:<rdf:Description rdf:about="Coin_1">
<nmo:hasCorrosion rdf:resource="nm:lightly_corroded"/>
</rdf:Description>