From Dontopedia, the open, paraconsistent wiki. (Last updated 2026-06-18.)
Pcgs has 23 facts recorded in Dontopedia across 1 reference, with 5 live disagreements.
Mostly:reason for preference(3), attribution includes(3), provides(2)
attributionIncludescharacteristicrdf:typehasExpertoffersconsideredhasErrorCoinDepartmentfullNameoffersPreScreeningisPreferredForOther subjects in dontopedia point AT this entity as a value. These are inverse relationships — e.g. “X motherOf this subject” — and answer questions the forward facts can't. Grouped by predicate.
providerProvider(1)ex:pre-screening-servicerecommendedServiceRecommended Service(1)ex:rare-error-coinshouldBeSubmittedToShould Be Submitted to(1)ex:1972-doubled-die-centworksAtWorks at(1)ex:John-WexlerThe long tail: predicates that appear too rarely to warrant their own section. Filter or scroll to find a specific one. Each row links to its source.
| Predicate | Value | Ref |
|---|---|---|
| Offers Population Report | true | [1] |
| Provides Attribution | true | [1] |
| Has Dedicated Department | Error Coin Department | [1] |
| Has Full Name | Professional Coin Grading Service | [1] |
Timeline axis is valid_time — when each source says the fact was true in the world, not when Dontopedia learned about it. Retracted rows are kept for provenance; coloured stripes indicate the context kind.
doc:beam/c6cf0b72-c415-4cea-aafa-0e3d81c5f0d7[Session date: 2023/05/24 (Wed) 21:49] User: I'm looking to learn more about error coins, specifically ones with misprinted dates. Can you tell me about some notable examples, and how I can identify them? By the way, I just added a new coin…
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