Original copper engraving map of Suecia et Norwegia etc by Gerard Mercator / Jodocus Hondius c1635 I know nothing of maps so I am going by the label on the back for the date, there is an interesting story about Mercator/ Hondius maps on wikipedia (the font of all half truths) en.wikipedia.org/wiki/Jodocus_Hondius this one is about 19 cm x 13 cms with some text on the back but I haven't taken it out of the frame.