(Cologne: Godfried von Kempen, 1584). Second edition. Edited by Arnold Mylius. Folio (409 x 279 mm). (ii), 106, 89-90, (30), (1) (blank), (142) pp. Illustrated with engraved title-page, numerous in-text woodcut diagrams, and 27 (of 28) maps; lacking map III of Europe ("Continent Galliae, Graecis..."). Full eighteenth century calf, stamped in gilt, boards heavily worn and soiled, spine perished, remnants of later repair along spine and joints; all edges trimmed; engraved title-page worn and soiled, repairs on verso, 3 1/2 in. separation along repair at bottom corner, old ownership signature at foot of same; bottom corner of first 14 leaves tattered with varying loss to text; light to moderate dampstaining in bottom corners of maps VII-XII; fore-edge of final seven leaves worn; scattered minor spotting and worming to text and plates, scattered chipping and short closed tears along edges of same; several leaves and maps sprung. Sabin 66491. Sold with all faults. Gerard Mercator's (1512-94) second edition of Ptolemy's Geography, and the last edition produced in his lifetime.