Silesiae Ducatus accurata et vera delineatioJansson, Jan, 1588-1664[ca. 1641]latBEIN 1983 Folio 19: Imperfect: cartouche cut out and replaced in ms. with title "Silesia Dvcatvs"; edges reinforced with ms waste. Hand col. Sheet measures 38.8 x 51 cm. No. 69 of 92 maps bound together.Relief shown pictorially.Bar scale given in "milliaria Germanica communia".Verso blank.Includes dedication to Valentinus a Stòˆssel and four other Silesian noblemen by Jonas Scultetus Sprotta Silesius.