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coin

vr.tr.coin · thing-q41207

Let an agent handle coins by issuer, denomination, series, metal, legal tender status, authenticity and collecting, without investment advice.

Thing Registry Physical world and living systems PHY.OBJ
Bundle → Layer → Finding → QuestionsClassifiersWhat it isWhy it existsDistinguishing featuresWhat robots and AI may and may not doMoral aspectsOwnersLinks to other meta-modelsIdentity and identifiersDirect propertiesRecognitionCapabilities and actionsHazards and failure modesStandards and interfacesContext of useSources

Bundle → Layer → Finding → Questions Filled

4 bundles · 8 layers · 8 findings · 16 questions

Identity Which coin.

Issuer

Country and year.

Issuer

Issuer and year.

  1. Which issuer, denomination and year is it? provenance
  2. What is its catalogue number? provenance

Status

Legal tender.

Status

Legal tender status.

  1. Is it still legal tender? provenance
  2. Can withdrawn coins be exchanged? provenance
Authenticity Genuine or not.

Checks

Weight and details.

Checks

Authenticity checks.

  1. Do weight, diameter and details match official specifications? measurement
  2. Should an expert or grading service check it? action

Report

Counterfeits.

Report

Suspected counterfeits.

  1. What should someone do with a suspected counterfeit coin? action
  2. Which authority should be told? provenance
Collecting Numismatics.

Value

Catalogues.

Value

Catalogue value.

  1. What is its catalogue value in this grade? measurement
  2. Is the user asking for investment advice? boundary

Care

Handling.

Care

Coin care.

  1. How should coins be handled and stored? action
  2. Why should they not be cleaned? boundary
Heritage Ancient coins.

Finds

Reporting.

Finds

Coin finds.

  1. Must a found hoard or ancient coin be reported here? provenance
  2. To which authority? provenance

Trade

Provenance.

Trade

Trade provenance.

  1. Does this ancient coin have documented legal provenance? boundary
  2. Which export rules apply? provenance

Classifiers Filled

Family
Thing Registry
Category
Physical world and living systems
Entry kind
thing
Plane
PHY
Domain
PHY.OBJ

What it is Filled

A small, flat, usually round piece of metal issued by a government or authority as money, with a face value, design and inscriptions; also produced as commemorative and bullion pieces and collected in numismatics.

Why it exists Filled

Let an agent handle coins by issuer, denomination, series, metal, legal tender status, authenticity and collecting, without investment advice.

Distinguishing features Filled

  • Issued by an authority
  • Face value
  • Minted metal
  • Collectible

What robots and AI may and may not do Filled

Must not

  • Make, sell or pass counterfeit coins.
  • Deface or melt legal tender where the law forbids it.
  • Help trade ancient coins taken from archaeological sites illegally.
  • Give personal investment advice on bullion or collectible coins.

Only with a human decision

  • Valuing a collection for sale, insurance or inheritance.

May

  • Identify coins and report their issuer, date and face value from catalogues.
  • Count, sort and check coins for an operator that authorized it.

Moral aspects Filled

  • Counterfeits undermine trust in money and cheat the people who receive them.
  • Looting for coins destroys archaeological heritage.

Who is affected

  • Holders of the coins
  • Collectors
  • Heritage and source communities

Owners Filled

Steward

The holder owns each coin; the issuing authority and mint answer for the currency.

Links to other meta-models Filled

parent

  • Q116035976 - registry parent class
  • Q2342494 - registry parent class
  • Q693464 - registry parent class
  • Q860861 - registry parent class

related

  • cash and collectable - category
  • mint and central bank - issuer
  • numismatics - field
  • banknote - other cash

What else AI and robots need to interact with it Filled

Identity and identifiers required Filled

  • Vercy registry: vr.tr.coin
  • Wikidata: Q41207 (https://www.wikidata.org/wiki/Q41207)
  • KM number: Krause catalogue coin types

Direct properties required Filled

  • Diameter: millimetres - Measure across a circular coin with calipers, or record maximum width for a noncircular coin.
  • Thickness: millimetres - Measure with a micrometer or calipers and specify whether the measurement includes the raised rim.
  • Mass: grams - Measure with a calibrated balance and compare against the specification for the denomination and issue.
  • Elemental mass fraction: percent by mass - Determine composition through validated material analysis while accounting for plating or multiple metal components.

Recognition required Filled

  • Denomination, year and mint mark
  • Obverse and reverse designs
  • Tokens and medals are not currency
  • Metal discs with portraits, emblems, inscriptions and edges that may be milled or lettered.

Capabilities and actions required Filled

  • identify coins by issuer and year
  • check legal tender status
  • detect likely counterfeits
  • value coins using catalogues

Hazards and failure modes required Filled

  • Counterfeit coins
  • Illegally excavated ancient coins
  • Agents giving investment advice

Standards and interfaces required Filled

  • Coinage and legal tender laws
  • Counterfeiting laws
  • Export rules for antiquities

Context of use required Filled

  • Cash payment, store of value and collecting.
  • circulating coins
  • commemorative coins
  • bullion coins
  • historical and ancient coins
  • error coins

Sources Filled

  1. Wikidata item Q41207: coin - identity and sense of the item
  2. Wikipedia: Coin - general description of the item

Open questions

  • Should coin series be separate entries?
  • How should catalogue numbers be linked?
  • How should ancient coins be handled legally?

Machine files

Card as JSON Specification Card backlog vercy.card/1

Provenance

thing registry research (pass 2) · unreviewed

Built from: models/things/publications/thing-q41207/spec.json