Source selection
Publisher, rights-holder and printed product references lead checklist facts.
Reviewer profile
Kopa Editorial Desk.
The editorial desk maintains Kopa's public collector references, source register, review dates and correction workflow.
Freshness review
Time-sensitive pages carry review dates and update with stronger evidence.
Correction review
Submitted evidence is compared with current sources before a public change.
Report an issue
Show us the evidence.
A useful report includes the URL, market, printed code and a strong source.
Submit a correction