Historical share certificates (Swedish: historiska aktiebrev) are old share certificates that no longer have value as securities but are preserved as historical documents. Many are elaborately designed and show how ownership was documented in the 18th and 19th centuries. Collecting them is sometimes called scripophily.
Today, ownership in a limited company is recorded in the share ledger, and many companies issue no certificates at all. Old certificates may need to be voided and the history reconstructed. A digital share ledger keeps the history traceable.

A share certificate is written proof that a person owns certain shares in a limited company.
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Voiding of share certificates means a certificate is made invalid, for example when replaced by a new one.
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Reconstructed share ledger history means past ownership changes are rebuilt to obtain a correct share ledger.
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A digital share ledger is a share ledger kept digitally instead of in Excel or on paper.
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