Mr. Vignaud's Maps: Unraveling a Cartographic Mystery from the Golden Age of Dutch Cartography
Comitatus Lancastrensis: The Counties Palatine of Lancaster (Lancashire, United Kingdom) was first published in 1636 by Janssonius and was later republished in 1637 in an atlas by Henricus Hondius and Johannes Janssonius. A large image of Poseidon rising out of the ocean upon his chariot drawn by hippocampus is featured on the left side. The maps from Johannes Janssonius's Appendix Atlas of 1636-1680 include a manuscript number in the upper right corner of the verso, which indicates the placement of the map within the overall sequence of maps, and Comitatus Lancastrensis features a "17." This map also has light tide stains (the brown lines left after the paper is exposed to dirty water) which can be found along the top edge and a repair made to the bottom seam, but the repair was made while the map was removed from its binding.