No observed cheques in the sources we track. That is a limit of our coverage, not a finding about this organisation.
From their own site: “Corinth is a privately owned investor that deploys its own capital in selected companies, projects and investment opportunities. It acts for its own account and does not manage or invest funds on behalf of third-party investors or the public.”
An announcement gives the size of the round, not the size of this investor's cheque. The only rounds that imply a cheque are those where they were the sole named investor.
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