Coins

Coin-specific metadata extent the metal-specific metadata and are a subset of the Nomisma ontology and intended to be filled in the records of the coin in a numismatic data infrastructure using this ontology based on the type series and the coin's type series ID. The equivalent in the Nomisma ontology is given by the prefix nmo. Descriptions are taken from the Nomisma ontology and the controlled vocabulary of Nomisma will be used for the respective properties.

1. Type series

ID and name: OM.C1 material_coin_type_series (nmo:TypeSeries)
Provided by: data provider
Obligation: recommended
Occurrences: 0–1
Definition: A published or recognized reference list of numismatic object types, such as a catalogue or corpus.
Allowed values and other constraints: controlled vocabulary

2. Type series ID

ID and name: OM.C2 material_coin_type_series_id (nmo:hasTypeSeriesItem)
Provided by: data provider
Obligation: recommended
Occurrences: 0–1
Definition: Identifies the position of a numismatic object within a published or recognized reference list of types, such as a catalogue or corpus.
Allowed values and other constraints: valid identifier according to reference work listed in OM.C1 Type Series.
Example: ric.1(2).aug.2A

3. Deposition type

ID and name: OM.C3 material_coin_deposition_type (nmo:DepositionType)
Provided by: Nomisma API, data provider
Obligation: recommended
Occurrences: 0–1
Definition: The circumstances under which an object or group of objects came to be deposited and part of the archaeological record, for example as a hoard, votive deposit or chance loss.
Allowed values and other constraints: controlled vocabulary

4. Authority

ID and name: OM.C4 material_coin_authority (nmo:hasAuthority)
Provided by: Nomisma API, data provider
Obligation: recommended
Occurrences: 0–1
Definition: Identifies the authority in whose name (explicitly or implicitly) a numismatic object was issued.
Allowed values and other constraints: controlled vocabulary (Organisation), controlled vocabulary (Person)

5. Mint

ID and name: OM.C5 material_coin_mint (nmo:hasMint)
Provided by: Nomisma API, data provider
Obligation: recommended
Occurrences: 0–1
Definition: Identifies the place of manufacture or issue of a numismatic object.
Allowed values and other constraints: controlled vocabulary

6. Denomination

ID and name: OM.C6 material_coin_denomination (nmo:hasDenomination)
Provided by: Nomisma API, data provider
Obligation: recommended
Occurrences: 0–1
Definition: Describes the monetary value assigned to an object within a denominational system.
Allowed values and other constraints: controlled vocabulary

7. Date

ID and name: OM.C7 material_coin_date (nmo:hasDate)
Provided by: Nomisma API, data provider
Obligation: recommended
Occurrences: 0–1
Definition: Describes date (range) assigned in a numismatic context.

with the two subproperties:

7.1 Opening date

ID and name: OM.C7.1 material_coin_date_from (nmo:hasNumismaticOpeningDate)
Provided by: Nomisma API, data provider
Obligation: recommended
Occurrences: 0–1
Definition: The date of the earliest numismatic object of a given context, e.g. a hoard or layer.
Allowed values and other constraints: integer
Example: -25

7.2 Closing date

ID and name: OM.C7.2 material_coin_date_to (nmo:hasNumismaticClosingDate)
Provided by: Nomisma API, data provider
Obligation: recommended
Occurrences: 0–1
Definition: The date of the latest numismatic object of a given context, e.g. a hoard or layer.
Allowed values and other constraints: integer
Example: -23

8. Manufacture

ID and name: OM.C8 material_coin_manufacture (nmo:hasManufacture)
Provided by: Nomisma API, data provider
Obligation: recommended
Occurrences: 0–1
Definition: Describes the method of manufacture of a numismatic object.
Allowed values and other constraints: controlled vocabulary

9. Peculiarity of Production

ID and name: OM.C9 material_coin_peculiarity_production (nmo:PecularityOfProduction)
Provided by: Nomisma API, data provider
Obligation: recommended
Occurrences: 0–1
Definition: Describes a notable, characteristic or unusual physical feature of an individual numismatic object which distinguishes it from other examples of the same group, or of a group of numismatic objects that marks it out from other groups, and which is related to the process of production of a numismatic object.
Allowed values and other constraints: controlled vocabulary
Example: double-struck