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Numismatic documentation
Identification, images and references in a record whose authorship, version and limitations are understandable.
What a record must distinguish
Owner accounts, direct observations and consulted sources are different categories. Record the issue reference, specimen description, date of the work and uncertain points. A reported history is not automatically documented provenance.
Traceable corrections
A correction should retain its relationship to the earlier version and indicate the current document status. An administrative receipt records a request; it must not be presented as a technical opinion or professional certificate.

Project in preparation. Services are not yet available for contracting. Requests and certificate issuance are disabled.
Do not send physical specimens before the service opens and you receive specific acceptance and dispatch instructions.