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Rare Covens & Mortier edition of Johann Jakob Lidl's map of Silesia, in modern-day Poland, issued in Amsterdam in 1748.

Highly detailed map of Silesia adorned with 2 large superb cartouches on 2 opposite corners of the map. The title cartouche is decorated with little angels and elements of the Silesian countryside. The cartouche containing the legend is surrounded mainly by agricultural and hunting tools.   

The map is centered on Breslau (Wroclaw) and names hundreds of towns and cities. The map delineates duchies and features excellent topographical detail.

The map was engraved by Condet and signed by him in the lower-right corner.

Condition Description
Original outline color. Two sheets joined as one and dissected in 24 sections and mounted on old linen.
Covens & Mortier Biography

Covens & Mortier was one of the largest and most successful publishing firms in Dutch history and continued in business for over a century. Pierre Mortier the Elder (1661-1711) had obtained a privilege in 1690 to distribute the works of French geographers in the Netherlands. After his widow continued the business for several years, Cornelis (1699-1783) took over in 1719.

In 1721, Mortier forged a partnership with Johannes Covens (1697-1774), who had recently married Cornelis’ sister. They published under the joint name of Covens & Mortier. In 1774, upon the death of his father, Johannes Covens II (1722-1794) took over his father’s share. In 1778, the company changed its name to J. Covens & Zoon, or J. Covens & Son.

Covens II’s son, Cornelis (1764-1825), later inherited the business and brought Petrus Mortier IV back into the fold. Petrus was the great-grandson of Petrus Mortier I. From 1794, the business was called Mortier, Covens & Zoon, or Mortier, Covens, & Son.

The business specialized in publishing French geographers including Deslisle, Jaillot, Janssonius, and Sanson. They also published atlases, for example a 1725 reissue of Frederik de Wit’s Atlas Major and an atlas, with additions, from the works of Guillaume Delisle. There were also Covens & Mortier pocket atlases and town atlases. The company profited from acquiring plates from other geographers as well. For example, the purchased Pieter van der Aa’s plates in 1730. Finally, they also compiled a few maps in house. At their height, they had the largest collection of geographic prints ever assembled in Amsterdam.