Printed map. Two visual scales [75 mm=15 or 18 Irish miles]. Includes coat of arms in upper left corner. Two pages of Dutch text on verso, pages "38" and "37" respectively, under heading, "Ultonia, of Vlster." Described in C. Koeman, Atlantes Neerlandici, Vol. I, entry Bl.48, p. 186-189, map [415], which indicates that this map was originally published in Blaeu's atlas, Toonneel des Aerdrycx, oft Nieuwe Atlas, Uytgegeven door Joan Blaeu, vifde Deel., published 1654.