When the Köln Version of the Apparent Foundation Charter of Ląd Abbey Was Transumed?

The article investigates the problem of when longer version apparent foundation charter, so-called Köln was transumed. In my view, it is possible to date at 1261, which its fabrication and confirmation monastery properties. Later, in article, I am trying show how Ląd monks had their properties privileges confirmed during trial with Dolany inhabitants beginning 14th century.