In the collection of the Kórnik Library there is an unfinished project of a heraldic plate (call number D. IV. 131) which was mentioned in the book by Stefan Kuczyński „Polish land arms: genesis, content, functions”. This article is the first attempt to analyze this forgotten and never completed heraldic project of Tytus Działyński. The heraldic design is a rectangular piece of paper with glued drawings of coats of arms of provinces, sometimes with notes. They are arranged according to the administrative division of the Polish–Lithuanian Commonwealth. A comparative analysis discovered the sources of the engravings of coats of arms which were used in the project. It was also established that the project was created between 1859 and 1861.