I could not tell from the shown photo that is was a map....I looked at the other photos after your post and realized that indeed, it is a map! FYI:
Jas Mb is known for a distressed leather look that makes it looks aged, as if the leather is old, dried, worn with cracks all over it....but of course, it isn't. Not all of their bags are made w/this cracked leather.
Here's their website if you wanna look-see
http://www.doorsbyjasmb.com/index.php
Barneys, Net-a-Porter.....carry his line.
Here's an image from Net-a-Porter